Reproducibility of uroflowmetry variables in elderly males

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Abstract
In the evaluation of prostatism urodynamics and especially uroflowmetry has received widespread attention. Review of the literature, however, revealed little information on the consistency of flow variables. Therefore eleven male volunteers above fifty years of age were asked to void five times during a short period of time. Each subject was found to reproduce his own flow curve fairly well. Statistical analysis of various flow variables, i.a. Q1s, Qmax, volume-corrected Qmax, Qmax time, Qave and volume voided, demonstrated a high degree of reproducibility. In conclusion a single flow curve is sufficient for clinical routine on the assumption that the patient declares the voiding to be typical.