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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Addiction. 2012 Feb 28;107(7):1297–1306. doi: 10.1111/j.1360-0443.2011.03771.x

Figure 4.

Figure 4

Treatment group and last urine result prior to randomization for the percentage of subjects with a negative methamphetamine use week in study weeks 6–12. At week 6, the total sample size of subjects with a negative baseline urine test for methamphetamine use was 26, with 13 in the placebo group and 13 in the topiramate group. At week 6, the total sample size of subjects with a positive baseline urine test for methamphetamine use was 78, with 38 in the placebo group and 40 in the topiramate group.