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. Author manuscript; available in PMC: 2014 Sep 11.
Published in final edited form as: Cochrane Database Syst Rev. 2010 Aug 4;(8):CD007667. doi: 10.1002/14651858.CD007667.pub2

Table 10. Comparison 3: desipramine versus placebo: money spent on cocaine per week (skewed data).

Study Outcome Experimental group (n=7 randomised) (n=5 completed) Control group (n=4 randomised) (n=3 completed) Statistic
Leal 1994 mean $ per week spent on cocaine; at week 1 184 (SD 177) 70 (SD 29) none available (see note 1)
Leal 1994 mean $ per week spent on cocaine; at week 6 98 (SD 101) 32 (SD 33) none available (see note 1)
Leal 1994 mean $ per week spent on cocaine; at week 12 76 (SD 69) 59 (SD 64) none available (see note 1)

SD = standard deviation

1. trial investigators report no statistical analysis that compares amantadine and control groups, although they note that “the AsPD patients were spending significantly more money on drugs than the non-AsPD patients at weeks 1 and 6” (page 33, col 2).