Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013)

Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Harshavardhana, Nanjundappa S. [verfasserIn] Dormans, John P.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Evidence-based practice Level of evidence Scoliosis Research Society Annual meetings Podium presentations

Anmerkung:	© Scoliosis Research Society 2016

Übergeordnetes Werk:	Enthalten in: Spine deformity - Amsterdam [u.a.] : Elsevier, 2013, 4(2016), 3 vom: Mai, Seite 193-199
Übergeordnetes Werk:	volume:4 ; year:2016 ; number:3 ; month:05 ; pages:193-199

Links:	Volltext

DOI / URN:	10.1016/j.jspd.2015.10.006

Katalog-ID:	SPR038869462

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allfields	10.1016/j.jspd.2015.10.006 doi (DE-627)SPR038869462 (SPR)j.jspd.2015.10.006-e DE-627 ger DE-627 rakwb eng Harshavardhana, Nanjundappa S. verfasserin aut Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013) 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Scoliosis Research Society 2016 Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. Evidence-based practice (dpeaa)DE-He213 Level of evidence (dpeaa)DE-He213 Scoliosis Research Society (dpeaa)DE-He213 Annual meetings (dpeaa)DE-He213 Podium presentations (dpeaa)DE-He213 Dormans, John P. aut Enthalten in Spine deformity Amsterdam [u.a.] : Elsevier, 2013 4(2016), 3 vom: Mai, Seite 193-199 (DE-627)747142815 (DE-600)2717704-X 2212-1358 nnns volume:4 year:2016 number:3 month:05 pages:193-199 https://dx.doi.org/10.1016/j.jspd.2015.10.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2190 GBV_ILN_2336 AR 4 2016 3 05 193-199
spelling	10.1016/j.jspd.2015.10.006 doi (DE-627)SPR038869462 (SPR)j.jspd.2015.10.006-e DE-627 ger DE-627 rakwb eng Harshavardhana, Nanjundappa S. verfasserin aut Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013) 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Scoliosis Research Society 2016 Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. Evidence-based practice (dpeaa)DE-He213 Level of evidence (dpeaa)DE-He213 Scoliosis Research Society (dpeaa)DE-He213 Annual meetings (dpeaa)DE-He213 Podium presentations (dpeaa)DE-He213 Dormans, John P. aut Enthalten in Spine deformity Amsterdam [u.a.] : Elsevier, 2013 4(2016), 3 vom: Mai, Seite 193-199 (DE-627)747142815 (DE-600)2717704-X 2212-1358 nnns volume:4 year:2016 number:3 month:05 pages:193-199 https://dx.doi.org/10.1016/j.jspd.2015.10.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2190 GBV_ILN_2336 AR 4 2016 3 05 193-199
allfields_unstemmed	10.1016/j.jspd.2015.10.006 doi (DE-627)SPR038869462 (SPR)j.jspd.2015.10.006-e DE-627 ger DE-627 rakwb eng Harshavardhana, Nanjundappa S. verfasserin aut Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013) 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Scoliosis Research Society 2016 Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. Evidence-based practice (dpeaa)DE-He213 Level of evidence (dpeaa)DE-He213 Scoliosis Research Society (dpeaa)DE-He213 Annual meetings (dpeaa)DE-He213 Podium presentations (dpeaa)DE-He213 Dormans, John P. aut Enthalten in Spine deformity Amsterdam [u.a.] : Elsevier, 2013 4(2016), 3 vom: Mai, Seite 193-199 (DE-627)747142815 (DE-600)2717704-X 2212-1358 nnns volume:4 year:2016 number:3 month:05 pages:193-199 https://dx.doi.org/10.1016/j.jspd.2015.10.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2190 GBV_ILN_2336 AR 4 2016 3 05 193-199
allfieldsGer	10.1016/j.jspd.2015.10.006 doi (DE-627)SPR038869462 (SPR)j.jspd.2015.10.006-e DE-627 ger DE-627 rakwb eng Harshavardhana, Nanjundappa S. verfasserin aut Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013) 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Scoliosis Research Society 2016 Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. Evidence-based practice (dpeaa)DE-He213 Level of evidence (dpeaa)DE-He213 Scoliosis Research Society (dpeaa)DE-He213 Annual meetings (dpeaa)DE-He213 Podium presentations (dpeaa)DE-He213 Dormans, John P. aut Enthalten in Spine deformity Amsterdam [u.a.] : Elsevier, 2013 4(2016), 3 vom: Mai, Seite 193-199 (DE-627)747142815 (DE-600)2717704-X 2212-1358 nnns volume:4 year:2016 number:3 month:05 pages:193-199 https://dx.doi.org/10.1016/j.jspd.2015.10.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2190 GBV_ILN_2336 AR 4 2016 3 05 193-199
allfieldsSound	10.1016/j.jspd.2015.10.006 doi (DE-627)SPR038869462 (SPR)j.jspd.2015.10.006-e DE-627 ger DE-627 rakwb eng Harshavardhana, Nanjundappa S. verfasserin aut Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013) 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Scoliosis Research Society 2016 Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. Evidence-based practice (dpeaa)DE-He213 Level of evidence (dpeaa)DE-He213 Scoliosis Research Society (dpeaa)DE-He213 Annual meetings (dpeaa)DE-He213 Podium presentations (dpeaa)DE-He213 Dormans, John P. aut Enthalten in Spine deformity Amsterdam [u.a.] : Elsevier, 2013 4(2016), 3 vom: Mai, Seite 193-199 (DE-627)747142815 (DE-600)2717704-X 2212-1358 nnns volume:4 year:2016 number:3 month:05 pages:193-199 https://dx.doi.org/10.1016/j.jspd.2015.10.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2190 GBV_ILN_2336 AR 4 2016 3 05 193-199
language	English
source	Enthalten in Spine deformity 4(2016), 3 vom: Mai, Seite 193-199 volume:4 year:2016 number:3 month:05 pages:193-199
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authorswithroles_txt_mv	Harshavardhana, Nanjundappa S. @@aut@@ Dormans, John P. @@aut@@
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Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. 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author	Harshavardhana, Nanjundappa S.
spellingShingle	Harshavardhana, Nanjundappa S. misc Evidence-based practice misc Level of evidence misc Scoliosis Research Society misc Annual meetings misc Podium presentations Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013)
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topic_title	Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013) Evidence-based practice (dpeaa)DE-He213 Level of evidence (dpeaa)DE-He213 Scoliosis Research Society (dpeaa)DE-He213 Annual meetings (dpeaa)DE-He213 Podium presentations (dpeaa)DE-He213
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title	Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013)
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title_full	Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013)
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title_sort	observational analysis of changing trends in level of evidence of scoliosis research society annual meeting podium presentations in the new millennium (2001–2013)
title_auth	Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013)
abstract	Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. © Scoliosis Research Society 2016
abstractGer	Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. © Scoliosis Research Society 2016
abstract_unstemmed	Study Design Observational quantitative evaluation of all Scoliosis Research Society annual meeting (SRS-AM) podium presentations over a 6-year period in the new millennium for changing trends in Level of Evidence (LoE). Objectives To report the LoE of SRS-AM podium presentations over a 13-year period in the new millennium and to compare the trends in LoE over a 3-year period between the two decades, that is, 2001–2003 versus 2011–2013. Summary of Background Data LoE is a rating system introduced by the American Academy of Orthopaedic Surgeons (AAOS) in 2003 to reflect the quality of clinical studies. No study has looked into any of AAOS-affiliated spinal specialist societies’ LoE, hence this study. Methods The SRS-AM proceedings books from two 3-year periods, 2001–2003 and 2011–2013, were retrieved. Two orthopedic surgeons independently graded each abstract on two occasions, 1 month apart, assigning them LoE from I to V, in accordance with the stringent guidelines published by AAOS. They also categorized all studies into types (ie, therapeutic, prognostic, diagnostic, economic or decision-modeling analysis, or LoE not applicable). Any disagreement between the two assessors over the LoE or the nature of study was discussed, and agreed upon by consensus. Thus, analyzed abstracts of the two groups were subsequently compared and subjected to statistical tests to determine significance. Results 637 free-papers from six annual meeting proceedings (264 in Group I and 373 in Group II) were analyzed in total. LoE I and II studies have more than doubled (p<.0001), and LoE IV studies have fallen by half in 2011–2013 as compared to 2001–2003. Conclusion The SRS-AM podium presentation has shown an increase in LoE I and II studies in the new millennium. SRS is the first AAOS-affiliated subspecialty society to have undertaken an in-depth analysis of its AM podium presentations, setting a standard for other societies to emulate. Level of Evidence Not applicable. © Scoliosis Research Society 2016
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title_short	Observational Analysis of Changing Trends in Level of Evidence of Scoliosis Research Society Annual Meeting Podium Presentations in the New Millennium (2001–2013)
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