Equivalency of the diagnostic accuracy of the PHQ-8 and PHQ-9: a systematic review and individual participant data meta-analysis.

Journal: Psychological medicine

Publication date: 2021

Journal: Psychological medicine

Publication Year: 2021

Authors & Co-authors:  Wu Yin Y Levis Brooke B Riehm Kira E KE Saadat Nazanin N Levis Alexander W AW Azar Marleine M Rice Danielle B DB Boruff Jill J Cuijpers Pim P Gilbody Simon S

Patient Health Questionnaire-9 scores do not accurately estimate depression prevalence: individual participant data meta-analysis.

Journal: Journal of clinical epidemiology

Publication date: 2021

Journal: Journal of clinical epidemiology

Publication Year: 2021

Authors & Co-authors:  Levis Brooke B Benedetti Andrea A Ioannidis John P A JPA Sun Ying Y Negeri Zelalem Z He Chen C Wu Yin Y Krishnan Ankur A Bhandari Parash Mani PM Neupane Dipika D