Table 1 Characteristics related to cocaine use in abstinent CUD patients.

From: Serotonin is the main tryptophan metabolite associated with psychiatric comorbidity in abstinent cocaine-addicted patients

Variable

Cocaine Group

Current cocaine abstinence (duration) [mean (SD)]

days

221.8 (429.4)

Problematic cocaine use (duration) [mean (SD)]

years

7.34 (6.47)

DSM-IV criteria for cocaine abuse and dependence (CUD severity) [mean (SD)]

(0–11)

8.4 (2.2)

Comorbid substance use disorders [N (%)]

No

32 (32.0)

Yes

68 (68.0)

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