Association between obsessive-compulsive disorder and the risk of schizophrenia using the Korean National Health Insurance Service-National Sample Cohort: a retrospective cohort study.
Hyunkyu KimSeung Hoon KimWonjeong JeongYu Shin ParkJinhyun KimSeung Hoon KimSung In JangPublished in: Epidemiology and psychiatric sciences (2023)
This study identified an association between the diagnosis of OCD and the risk of schizophrenia in a South Korean national representative cohort. Further research using a prospective design to clarify the causality of OCD in schizophrenia in a controlled environment should be conducted to validate these findings.