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. 2011 Oct;5(5):306–315. doi: 10.5489/cuaj.11211

Fig. 1.

Fig. 1.

The National Institutes of Health Chronic Prostatitis Symptom Index (NIH-CPSI) captures the three most important domains of the prostatitis experience: pain (location, frequency and severity), voiding (irritative and obstructive symptoms) and quality of life (including impact). This index is useful in research studies and clinical practice. Adapted from Litwin et al.7 Reprinted with permission.