Figure 1From: Self Management Activation Randomised Trial for Prostatitis (SMART-P): study protocol for a randomised controlled trial NIH-Chronic Prostatitis Symptom Index. The National Institutes of Health Chronic Prostatitis Symptom Index, a validated questionnaire for the assessment of men with CP/CPPS. It evaluates pain and urinary symptoms, and assesses the impact of the condition on function and quality of life.Back to article page