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In Reply Morgan and Ho are concerned that media reporting of only relative increases in the risk of self-harm might mislead health policy makers and the public. We agree, and therefore provide actual counts, so that readers can judge absolute risks and the number needed to harm.1
Morgan and Ho also raised concerns about the representativeness of our population-based cohort study. We collected data from the Ontario Ministry of Health and Long-Term Care, which has a comprehensive bariatric surgery program.2 This specialized program supports only 3 types of surgical procedures and excludes laparoscopic gastric banding,2,3 as we acknowledged in our study.1 We believe that this patient cohort is representative because of the comprehensive reimbursement and universal health coverage.3
Bhatti JA, Nathens AB, Redelmeier DA. Deliberate Self-harm Following Bariatric Surgery—Reply. JAMA Surg. 2016;151(6):585-586. doi:10.1001/jamasurg.2015.5126