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Table 1 Demographics of participants

From: Successful classification of cocaine dependence using brain imaging: a generalizable machine learning approach

  Controls (n = 69) Cocaine-dependent (n = 93)
  Mean/n SD/% Mean/n SD/%
Age (years) 34.6 7.5 40.0 6.8
Male 33 47.8 % 67 72 %
Race
 White 36 52.2 % 22 23.7 %
 Black 20 29.0 % 69 74.2 %
 Asian 3 4.3 % 0 0.0 %
 Hispanic 10 14.5 % 2 2.2 %