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OBJECTIVEA visual prostate symptom score (VPSS) compared with the international prostate symptom score (IPSS) for evaluation of lower urinary tract symptoms (LUTS) can be completed without physician assistance by a significantly larger proportion of men with limited education. We aimed to evaluate the correlation of the VPSS and IPSS with uroflowmetry parameters.METHODSMen with LUTS were requested to complete the IPSS and VPSS, consisting of pictograms to evaluate urinary frequency, nocturia, force of the stream and quality of life. The maximum (Qmax) and average urinary flow rate (Qave), voided volume (VV) and post-void residual (PVR) urine volumes were measured. Statistical analysis was performed using the Mann-Whitney and Spearman's tests.RESULTSThe study included 93 men (mean age 64 years, range 33 - 85), with VV >150 ml in 66 (71%) and <150 ml in 27 (29%) subjects. In the group with VV >150 ml there were significant negative correlations between the IPSS and Qmax (r=-0.30, p=0.016), the IPSS and Qave (r=-0.29, p=0.018), the VPSS and Qmax (r=-0.38, p<0.002) and the VPSS and Qave (r=-0.37, p<0.003). The VPSS question on the subject's assessment of his urinary stream showed a significant negative correlation with the Qmax (r=-0.37, p=0.002) and Qave (r=-0.31, p=0.011), but the IPSS question on the subject's urinary stream did not correlate significantly with the Qmax or Qave.CONCLUSIONSThe VPSS is equivalent to the IPSS in terms of correlation with Qmax and Qave and can therefore be used instead of the IPSS to evaluate LUTS in men with limited education.

Correlation between a new visual prostate symptom score (VPSS) and uroflowmetry parameters in men with lower urinary tract symptoms.