Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study

Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline...
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Autor*in:	Chew, Chu Shan Elaine [verfasserIn] Tay, E. Eric Lie, Mei En Hannah Marian Khaider, Khairunisa Binte Davis, Courtney

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Atypical anorexia nervosa Anorexia nervosa Adolescents Eating disorder

Anmerkung:	© The Author(s) 2023

Übergeordnetes Werk:	Enthalten in: Journal of eating disorders - London : Biomed Central, 2013, 11(2023), 1 vom: 08. Dez.
Übergeordnetes Werk:	volume:11 ; year:2023 ; number:1 ; day:08 ; month:12

Links:	Volltext

DOI / URN:	10.1186/s40337-023-00943-4

Katalog-ID:	SPR05403101X

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520			\|a Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN.
520			\|a Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness.
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allfields	10.1186/s40337-023-00943-4 doi (DE-627)SPR05403101X (SPR)s40337-023-00943-4-e DE-627 ger DE-627 rakwb eng Chew, Chu Shan Elaine verfasserin aut Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. Atypical anorexia nervosa (dpeaa)DE-He213 Anorexia nervosa (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Eating disorder (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Tay, E. Eric aut Lie, Mei En Hannah Marian aut Khaider, Khairunisa Binte aut Davis, Courtney aut Enthalten in Journal of eating disorders London : Biomed Central, 2013 11(2023), 1 vom: 08. Dez. (DE-627)735129908 (DE-600)2699357-0 2050-2974 nnns volume:11 year:2023 number:1 day:08 month:12 https://dx.doi.org/10.1186/s40337-023-00943-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2086 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2023 1 08 12
spelling	10.1186/s40337-023-00943-4 doi (DE-627)SPR05403101X (SPR)s40337-023-00943-4-e DE-627 ger DE-627 rakwb eng Chew, Chu Shan Elaine verfasserin aut Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. Atypical anorexia nervosa (dpeaa)DE-He213 Anorexia nervosa (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Eating disorder (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Tay, E. Eric aut Lie, Mei En Hannah Marian aut Khaider, Khairunisa Binte aut Davis, Courtney aut Enthalten in Journal of eating disorders London : Biomed Central, 2013 11(2023), 1 vom: 08. Dez. (DE-627)735129908 (DE-600)2699357-0 2050-2974 nnns volume:11 year:2023 number:1 day:08 month:12 https://dx.doi.org/10.1186/s40337-023-00943-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2086 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2023 1 08 12
allfields_unstemmed	10.1186/s40337-023-00943-4 doi (DE-627)SPR05403101X (SPR)s40337-023-00943-4-e DE-627 ger DE-627 rakwb eng Chew, Chu Shan Elaine verfasserin aut Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. Atypical anorexia nervosa (dpeaa)DE-He213 Anorexia nervosa (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Eating disorder (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Tay, E. Eric aut Lie, Mei En Hannah Marian aut Khaider, Khairunisa Binte aut Davis, Courtney aut Enthalten in Journal of eating disorders London : Biomed Central, 2013 11(2023), 1 vom: 08. Dez. (DE-627)735129908 (DE-600)2699357-0 2050-2974 nnns volume:11 year:2023 number:1 day:08 month:12 https://dx.doi.org/10.1186/s40337-023-00943-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2086 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2023 1 08 12
allfieldsGer	10.1186/s40337-023-00943-4 doi (DE-627)SPR05403101X (SPR)s40337-023-00943-4-e DE-627 ger DE-627 rakwb eng Chew, Chu Shan Elaine verfasserin aut Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. Atypical anorexia nervosa (dpeaa)DE-He213 Anorexia nervosa (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Eating disorder (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Tay, E. Eric aut Lie, Mei En Hannah Marian aut Khaider, Khairunisa Binte aut Davis, Courtney aut Enthalten in Journal of eating disorders London : Biomed Central, 2013 11(2023), 1 vom: 08. Dez. (DE-627)735129908 (DE-600)2699357-0 2050-2974 nnns volume:11 year:2023 number:1 day:08 month:12 https://dx.doi.org/10.1186/s40337-023-00943-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2086 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2023 1 08 12
allfieldsSound	10.1186/s40337-023-00943-4 doi (DE-627)SPR05403101X (SPR)s40337-023-00943-4-e DE-627 ger DE-627 rakwb eng Chew, Chu Shan Elaine verfasserin aut Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. Atypical anorexia nervosa (dpeaa)DE-He213 Anorexia nervosa (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Eating disorder (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Tay, E. Eric aut Lie, Mei En Hannah Marian aut Khaider, Khairunisa Binte aut Davis, Courtney aut Enthalten in Journal of eating disorders London : Biomed Central, 2013 11(2023), 1 vom: 08. Dez. (DE-627)735129908 (DE-600)2699357-0 2050-2974 nnns volume:11 year:2023 number:1 day:08 month:12 https://dx.doi.org/10.1186/s40337-023-00943-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2086 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2023 1 08 12
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author	Chew, Chu Shan Elaine
spellingShingle	Chew, Chu Shan Elaine misc Atypical anorexia nervosa misc Anorexia nervosa misc Adolescents misc Eating disorder Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study
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topic_title	Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study Atypical anorexia nervosa (dpeaa)DE-He213 Anorexia nervosa (dpeaa)DE-He213 Adolescents (dpeaa)DE-He213 Eating disorder (dpeaa)DE-He213
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title	Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study
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title_full	Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study
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author_browse	Chew, Chu Shan Elaine Tay, E. Eric Lie, Mei En Hannah Marian Khaider, Khairunisa Binte Davis, Courtney
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title_sort	baseline presentation of atypical anorexia nervosa in singaporean adolescents: a retrospective cohort study
title_auth	Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study
abstract	Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. © The Author(s) 2023
abstractGer	Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. © The Author(s) 2023
abstract_unstemmed	Background While atypical anorexia nervosa (AAN) has been found to present with significant physical and psychological complications, the presentation of AAN has not been described in a multi-ethnic Singaporean population. Methods This retrospective cohort analysis aimed to characterize the baseline presentation of adolescents with anorexia nervosa (AN) (N = 317) and AAN (N = 141) in a Singaporean cohort that presented to a specialist paediatric eating disorder program between January 2010 and October 2020 for assessment. Results In patients with AAN, there were increased proportions of males (16% vs. 7%) and of Malay ethnicity (11% vs. 4%) compared to AN. Compared to adolescents with AN, adolescents with AAN had lower rates of admission (61% vs. 81%), bradycardia (45% vs. 75%), and hypotension (7% vs. 21%) but had a higher rate of syncope (13% vs. 7%). Likewise, adolescents with AAN had higher rates of self-harm and drug overdose (14% vs. 1.5%) requiring admission, more purging (45.1% vs. 14.8%) and more shape concerns. Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN. Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness. © The Author(s) 2023
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title_short	Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study
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Conclusion Highlighting the severity of the illness, Singaporean adolescents with AAN presented with physical complications of malnutrition and had more severe eating disorder psychopathology and a higher frequency of other psychological comorbidities than did adolescents with AN.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Plain English summary Singaporean adolescents with atypical anorexia nervosa experience both physical and psychological complications of the illness.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Atypical anorexia nervosa</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Anorexia nervosa</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Adolescents</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Eating disorder</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Adolescents</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tay, E. Eric</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lie, Mei En Hannah Marian</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Khaider, Khairunisa Binte</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Davis, Courtney</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of eating disorders</subfield><subfield code="d">London : Biomed Central, 2013</subfield><subfield code="g">11(2023), 1 vom: 08. 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Baseline presentation of atypical anorexia nervosa in Singaporean adolescents: a retrospective cohort study

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