Prevalence of substance use and psychiatric disorders in a highly select chronic pain population.

Objective: To estimate the prevalence of self-reported substance use and psychiatric disorders in a highly select chronic nonmalignant pain population within a nonprimary care tertiary referral-only pain clinic.

Methods: A retrospective, cross-sectional study was accomplished via existing medical record review for 216 consecutive pain patients presenting to an independent neurodiagnostic clinic located in the southeastern United States, specializing in chronic, severe, and complex industrial injuries (e.g.