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Table 2 The maintenance treatment medicines

From: Polydrug abuse among opioid maintenance treatment patients is related to inadequate dose of maintenance treatment medicine

  Total sample
(n = 60)
Inadequate dose
(n = 39)
Adequate dose
(n = 21)
p
Methadone / Buprenorphine – naloxone sublingual tablet 52 (86.7%) / 8 (13.3%) 38 (63.3%) /1 (1.7%) 14 (23.3%) /7 (11.7%) 0.002
Dose of methadone (mg) 64.81 ± 13.6 (20–90) 65.0 ± 11.4 (20–90) 64.3 ± 18.6 (24–90) NS
Blood concentration of methadone (mg/L) (n = 45)a 0.20 ± 0.1 (0.09–0.47) 0.19 ± 0.07 (0.09–0.36) N = 35 0.24 ± 0.10 (0.12–0.47), N = 10 NS
Dose of buprenorphine (mg) 14.8 ± 5.01 (6–20) 16.0 14.6 ± 5.4 (6–20) NS
  1. aIn case the methadone blood concentration was <0.10 mg/L, the value was rated as 0.09 mg/L