Impromptu Micturitional Flow Parameters in Normal Boys

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Abstract
Nonintrusive measurement of the hydrodynamic properties of the urinary stream (uroflowmetry) has been included in many adult urological evaluations as an objective diagnostic tool. Measurement and behavioral problems interfere with practical applications in children. We describe a standard procedure for obtaining "impromptu" micturitional flow parameters in clinical pediatric practice. Statistical correlations of these flow parameters in an unselected group of 142 normal boys between 2 and 12 years old are presented. Useful linear regression equations were derived from the sample to assist the clinician in predicting deviations from normal values. Limitations of the methodology are noted.