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Table 4 Medications given to participants within the last 24 h before testing in sample II

From: Cognitive functioning in opioid-dependent patients treated with buprenorphine, methadone, and other psychoactive medications: stability and correlates

  Buprenorphine or Buprenorphine/
Naloxone
(n= 18)
Methadone
(n= 18)
Group or time point comparison p-values
Opioid drug, dose
(M ± SD (range) )
   
T2 22 ± 5 mg
( 10 - 28 mg)
- T2 vs. T3, ns
T3 21 ± 6 mg
( 6 - 30 mg)
-  
T2 - 119. ± 33 mg
(80 - 180 mg)
T2 vs. T3, ns
T3 - 129 ± 33 mg
(75 - 180 mg)
 
Participants using BZD medication    
T2/T3 78%/67% 89%/94% ns/ns
BZD dose at T2 (M ± SD (range)) 20 ± 16 mg
(0 - 60 mg)
21 ± 16 mg
(0 - 70 mg)
T2 vs. T3, ns
ns
BZD dose at T3 (M ± SD (range)) 16 ± 14 mg
(0 - 40 mg)
20 ± 10 mg
(0 - 40 mg)
ns
T2 vs. T3, ns
Number of other medications with possible cognitive effects a    
T2/T3 (M ± SD ; (range)) 1.8 ± 1.1 (0 - 3) 2.2 ± 0.7 (1 -4) ns
  1.9 ± 1.4 (0 - 4) 2.0 ± 1.0 (1 - 4) ns
    T2 vs. T3, ns
  1. These included antidepressants, neuroleptics (used with anxiolytic indications), non-benzodiazepine hypnotics, and substance abuse withdrawal symptom or (non-opioid) pain relievers.
  2. C = controls, M = methadone, BN = buprenorphine or buprenorphine/naloxone
  3. > = superior than, *** = statistically significant at level p < 0.001. ** = statistically significant at level p < 0.01. * = statistically significant at level p < 0.05.