Table 5 McNemar's test showed no significant change in the number of opioid-dependent participants who had positive results for urinary amphetamine or morphine use at baseline and became negative

From: Low-dose add-on memantine treatment may improve cognitive performance and self-reported health conditions in opioid-dependent patients undergoing methadone-maintenance-therapy

 

Amphetamine/Morphine Use

 

Baseline (n)

Post-Treatment (n)

Group

Negative

Positive

Negative

Positive

MMT+P (n = 40)

27

4

5

4

MMT+M (n = 33)

29

3

1

0

  1. Urinary amphetamine: PP = 1.00/PM = 0.63; urinary morphine: PP = 0.23/PM = 0.61.
  2. MMT+P, morphine maintenance therapy plus placebo; MMT+M, morphine maintenance therapy plus memantine.
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