Vlasios Brakoulias|Vladan Star?evi?|Amparo Belloch|Chris Brown|Ygor Arzeno Ferrão|Leonardo F. Fontenelle|Christine Löchner|Donatella Marazziti|Hisato Matsunaga|Eur??pedes Constantino Miguel|Y.C. Janardhan Reddy|Maria Conceição do Rosario-Campos|Roseli Gedanke Shavitt|A Shyam Sundar|Dan J. Stein|Albina Rodrigues Torres|Kirupamani Viswasam
Comorbidity, age of onset and suicidality in obsessive–compulsive disorder (OCD): An international collaboration
Nepean Hospital|University of Sydney|Nepean Hospital|University of Sydney|Universitat de València|University of Sydney|National Health and Medical Research Council|Monash University|D’Or Institute for Research and Education|Universidade Federal do Rio de Janeiro|Stellenbosch University|University of Pisa|Hyogo Medical University|Universidade de São Paulo|National Institute of Mental Health and Neurosciences|Universidade Federal de São Paulo|Universidade de São Paulo|National Institute of Mental Health and Neurosciences|Stellenbosch University|Universidade Estadual Paulista (Unesp)|Nepean Hospital|University of Sydney
collate data multiple obsessivecompulsive disorder ocd treatment centers across seven countries five continents report findings relation ocd comorbidity age onset ocd comorbid disorders suicidality large clinical ethnically diverse sample aim investigating cultural variation utility psychiatric diagnostic classification obsessivecompulsive related disorders researchers field ocd invited contribute summary statistics current lifetime psychiatric comorbidity age onset ocd comorbid disorders suicidality patients ocd data 3711 adult patients primary ocd came brazil n 955 india n 802 italy n 750 south africa n 565 japan n 322 australia n 219 spain n 98 common current comorbid disorders major depressive disorder 284 n 1055 obsessivecompulsive personality disorder 245 n 478 generalized anxiety disorder 193 n 716 specific phobia 192 n 714 social phobia 185 n 686 major depression also commonly cooccurring lifetime diagnosis rate 505 n 1874 ocd generally age onset late adolescence mean 179 years sd 19 social phobia specific phobia body dysmorphic disorder also early age onset cooccurring major depressive disorder generalized anxiety disorder psychotic disorders tended later age onset ocd suicidal ideation within last month reported 64 n 200 patients ocd 90 n 314 reported lifetime history suicide attempt large crosscontinental study comorbidity ocd common high rates comorbid major depression anxiety disorders emphasize need clinicians assess monitor disorders earlier ages onset ocd specific phobia social phobia may indicate relatedness disorders requires study although appear significant cultural variations rates patterns comorbidity suicidality research using similar recruitment strategies controlling demographic clinical variables may help determine whether sociocultural factors protect suicidal ideation psychiatric comorbidity patients ocd