Do symptoms of voiding dysfunction predict urinary retention?

We assessed the relationship between symptoms of voiding dysfunction and elevated postvoid urinary residual (PVR).

Cross-sectional study of women presenting for initial evaluation from February through July 2011. Charts were reviewed for demographics, voiding dysfunction symptoms, and examination findings. Urinary retention was defined as PVR of 100 ml or more. Data are presented as median (interquartile range) or proportion; test characteristics are reported with 95% confidence intervals.

Of 641 eligible women, 57 women (8.9%) had urinary retention. Of these, 32 women (56.1%) had at least one symptom of voiding dysfunction, most commonly, sensation of incomplete emptying (30.1%). Sensitivity and positive predictive values of voiding dysfunction symptoms were low. Of 254 women reporting voiding symptoms, most (87.5%) had PVR of less than 100 ml and were significantly more likely to have other pelvic floor symptoms and findings.

Patients' symptoms do not predict urinary retention. Postvoid urinary residual should be measured, and other causes of voiding dysfunction symptoms should be considered.