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. 2005;7(Suppl 4):S3–S12.

Table 3.

International Prostate Symptom Score, Peak Flow Rate, and Prostate Volume in Caucasian (American) and Asian (Japanese) Men

PER (ML/sec)
Race IPSS (% ≥8) PV (cm3)
Caucasian 25.5 17.2 29.5
Asian 36.6 21.3 23.5

IPSS, international prostatic symptom score; PFR, peak flow rate; PV, prostate volume.