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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Drug Alcohol Depend. 2014 Jul 17;143:74–80. doi: 10.1016/j.drugalcdep.2014.07.007

Figure 1.

Figure 1

Correlations between pre-treatment cocaine use and treatment outcomes and volumes of brain structures. A and B: Correlations between number of days using cocaine within 28 days before enrollment into treatment (Y axis) and percentage of cocaine-negative urine samples and the maximum duration (days) of contiguous abstinence from cocaine during treatment, respectively. C and D: Correlations between number of days using cocaine within 28 days before enrollment into treatment (Y axis) and the volume of the left and right hippocampus (mm3), respectively. The red squares and blue triangles represent patients who received “Cognitive Behavioral Therapy (CBT) only” and “CBT + Contingency Management (CM)”, respectively.