Alonso et al. 2010 | Spain | Suicide attempts in subjects with OCD | Prospective cohort over 1-6 years (mean 4.1 years) | 218 subjects with OCD from specialized clinic | 57% male | 31 years | Diagnostic and Statistical Manual of Mental Disorders, version IV (DSM-IV) |
Angst et al. 2005, re-reported by Fineberg et al. 2013 | Switzerland | Suicide attempts in OCD versus the remaining general population | Prospective cohort with a 20 year follow-up | 32 cases with OCD/ 79 subjects with Obsessive compulsive syndrome (OCS), 142 control subjects from general population | 37% vs. 54% vs. 57% male | 20 years at intake | DSM-IV for OCD, Obsessive Compulsive Syndrome (OCS) indicating the same symptoms but less subjective distress. |
Bolton et al. 2008 | Canada | Suicide attempts in OCD | prospective cohort of 1920 subjects, Baltimore Epidemiological Catchment Area survey 13 year follow up | 48 subjects with OCD without any of suicide history attempts, 1229 subjects without any anxiety disorder | 37% male | Not given | DSM-III diagnosis after structured interview |
Fernandez de la Cruz et al. 2017 | Sweden | Suicide attempts in OCD versus general population | Cohort study using register data (National Patient register) follow-up up to 44 years | 36788 patients with OCD and 387880 matched controls | 43% male | 43 years (age at death by suicide), 30 age at first suicide attempt | International Classification of Diseases (8th to 10th revision) |
Rueck et al. 2017 | Sweden | Suicide in OCD subjects treated with capsulotomy | Prospective cohort study using register data wih a follow up of up to 43 years | 70 patients with capsulotomy | 53% male | 68 years old at the age of death | International Classification of Diseases (8th to 10th revision) |
Sareen et al. 2005. update reported ten Have et al. 2009 | Netherlands | Suicide attempts in general population including OCD subjects | Prospective cohort with 3 year follow up | 4670 subjects with completed follow up | Not given | Not given | Composite International Diagnostic Interview providing DSM-III revised diagnosis |