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Table 5 The effect of Matrix Model treatment and MPH on METH Positive Urine test (MPUT) 1

From: The therapeutic effects of methylphenidate and matrix-methylphenidate on addiction severity, craving, relapse and mental health in the methamphetamine use disorder

Variable Group Baseline Week 3 Week 6 Week 9 Week 12 P-value* OR (95% CI)
MPUT Matrix (n = 20) 20 (100) 19 (95) 18 (90) 16 (80) 16 (80)a < 0.001 2.59 (0.87–7.75)
Methylphenidate (n = 22) 22 (100) 20 (90.9) 18 (81.8) 16 (72.7) 13 (59.1) 4.95 (1.79–13.68)
Matrix combination with methylphenidate (n = 21) 21 (100) 19 (90.5) 17 (81) 12 (57.1) 8 (38.1) 7.63 (2.82–20.67)
Control (n = 22) 22 (100) 21 (95.5) 21 (95.5) 20 (90.9) 21 (95.5)b Reference
  1. 1 All variables are presented as number (%)
  2. * GEE analysis (generalized estimating equations)
  3. a: Significant difference between Matrix and Matrix combination with methylphenidate groups
  4. b: Significant difference between Control with Methylphenidate and Matrix combination with methylphenidate groups