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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