CORRELATION BETWEEN UROFLOWMETRY, PROSTATE VOLUME, POSTVOID RESIDUE, AND LOWER URINARY-TRACT SYMPTOMS AS MEASURED BY THE INTERNATIONAL PROSTATE SYMPTOM SCORE

Objectives. To evaluate the relation between lower urinary tract-sympt oms (LUTS) as measured by the International Prostate Symptom Score (IP SS) and noninvasive objective parameters of lower urinary tract dysfun ction. Methods. Eight hundred three consecutive patients with LUTS and /or benign prostatic hyperplasia were evaluated with IPSS, uroflowmetr y, prostate volume estimation, and postvoiding residue measurement. Th e relations between these parameters were quantified by means of Spear man correlation coefficients. Results. Statistically significant but w eak correlations were found between the IPSS and results of uroflowmet ry and postvoiding residual urine. There was no correlation between th e IPSS and results of prostate volume measurements. Conclusions. The c orrelation between objective noninvasive parameters of lower urinary t ract dysfunction and LUTS is weak.