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Age-specific cumulative prevalence of MDD, BPD, and SZP by age, ICD-9 definitions, Medicare 1991–2010. SZP= schizophrenia; BPD = bipolar disorder;MDD =major depressive disorder.
Source:International Classifications of Disease, Version 9 (ICD-9) diagnosis data from Medical Provider Analysis and Review, Outpatient, Home Health, and Hospice data files, 1991—2010.
