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Table 1 Sample characteristics and sample sizes for each health system

From: Costs of care for persons with opioid dependence in commercial integrated health systems

  Health system A Health system B Total
n = 1836 n = 4204 N = 6040
Age in years, Mean (SD) 39 (15) 43 (14) 42 (14)
Gender,% female 50% 52% 52%
Counseling only, n 499 1781 2280
Little or no addiction treatment, n 513 1301 1814
Buprenorphine plus counseling, n 824 1122 1946