The aim of this study was to investigate the incidence of de novo urge urinary incontinence after the photoselective vaporization of the prostate for benign prostatic hyperplasia using the validated overactive bladder symptom score, and to determine the predictors of de novo urge urinary incontinence following the photoselective vaporization of the prostate.

Inclusion Criteria:

• men in whom 6-months follow-up data were available
• men who did not complain of urge urinary incontinence based on the OABSS (overactive symptom score): OABSS question 4 score of ≤ 1

Exclusion Criteria:

• previous prostate or bladder surgery
• a previous diagnosis of urethral stricture or prostate carcinoma or bladder cancer or neurogenic bladder disease

men who underwent photoselective vaporization of the prostate using 80 watt potassium-titanyl-phosphate (KTP) laser or 120 watt high-power-system (HPS) laser for benign prostatic hyperplasia refractory to medical treatment