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Table 3 Demographic characteristics and prognostic factors

From: The Leeds Evaluation of Efficacy of Detoxification Study (LEEDS) prisons project: a randomised controlled trial comparing dihydrocodeine and buprenorphine for opiate detoxification

  Buprenorphine
(n = 42)
Dihydrocodeine
(n = 48)
Age – mean (SD) 28.9 (4.6) 29.7 (6.1)
Pattern of use
   How are opiates taken?
IV 21 (50%) 18
Smoking 9 12
Methadone maintenance 2 0
Don't know 10 18
Current daily use       
   minimum – mean (SD) £40.00 (21.10) £42.10 (29.40)
   maximum £45.48 (23.39) £45.65 (30.21)
Duration taking opiates – mean (SD) 8.9 (3.5) years 9.70 (4.6) years
Initial urine       
   illicit opiates present 28/30 27/27
   other drugs present 16/30 13/27
Prognostic factors
  Yes No D/K Yes No D/K
   Previous detoxes? 27 3 4 25 4 3
   Successful detoxes? 11 9 10 13 8 6