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The prevalence, odds and predictors of lifespan comorbid eating disorder among people with a primary diagnosis of bipolar disorders, and vice-versa: Systematic review and meta-analysis

 Fornaro, Michele  ;  Daray, Federico Manuel  ;  Hunter, Fernando  ;  Anastasia, Annalisa  ;  Stubbs, Brendon  ;  De Berardis, Domenico  ;  Shin, Jae Il  ;  Husain, Muhammad Ishrat  ;  Dragioti, Elena  ;  Fusar-Poli, Paolo  ;  Solmi, Marco  ;  Berk, Michael  ;  Vieta, Eduard  ;  Carvalho, Andre Ferrer 
 JOURNAL OF AFFECTIVE DISORDERS, Vol.280 : 409-431, 2021-02 
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Issue Date
Bipolar disorder ; Anorexia nervosa ; Bulimia nervosa ; Binge eating disorder ; Prevalence ; Comorbidity ; Review ; Meta-analysis, Psychiatry, Mental health ; Neuroscience
Background: There are scarce and discrepant data about the prevalence and correlates of co-occurring eating disorders (EDs) among people with a primary diagnosis of bipolar disorder (BD), and vice-versa, compelling a systematic review and meta-analysis on the matter. Methods: MEDLINE/PsycINFO databases were systematically searched for original studies documenting BD reversible arrow ED comorbidity across the lifespan, from inception up until April 20th, 2020. Random-effects meta-analysis and meta-regression analyses were conducted, accounting for multiple moderators. Results: Thirty-six studies involved 15,084 primary BD patients. Eleven studies encompassed 15,146 people with primary EDs. Binge eating disorder (BED) occurred in 12.5% (95%C.I.=9.4-16.6%, I-2=93.48%) of BDs, while 9.1% (95%C.I.=3.3-22.6%) of BEDs endorsed BD. Bulimia Nervosa (BN) occurred in 7.4% (95%C.I.=6-10%) of people with BD, whereas 6.7% (95%C.I.=12-29.2%) of subjects with BN had a diagnosis of BD. Anorexia Nervosa (AN) occurred in 3.8% (95%C.I.=2-6%) of people with BDs; 2% (95%C.I.=1-2%) of BD patients had a diagnosis of AN. Overall, BD patients with EDs had higher odds of being female vs. non-ED controls. Several moderators yielded statistically significant differences both within- and between different types of BDs and EDs. Limitations: Scant longitudinal studies, especially across different EDs and pediatric samples. High heterogeneity despite subgroup comparisons. Limited discrimination of the quality of the evidence. Conclusions: The rates of BD reversible arrow ED comorbidity vary across different diagnostic groups, more than they do according to the "direction" of BD reversible arrow ED. Further primary studies should focus on the risks, chronology, clinical impact, and management of the onset of intertwined BD reversible arrow ED across different ages, promoting a continuum approach.
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1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Shin, Jae Il(신재일) ORCID logo https://orcid.org/0000-0003-2326-1820
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