Rikken, B.

pressure bladder volume measurement voiding bladder volume flow rate continence study patient volunteer group muscle catheter 24- h pad-test f-pfme urine loss catheter removal prostatectomy pg-pfme 6 months 1- h pad-test pad-test incontinence 1 week urine result condom randomized effect month difference bene ficial effect 1 voiding retropubic prostatectomy f-pfme arm pressure measurements signi analysis exercise treatment removal detrusor valve isovolumetric ficant 24- instruction value interruption control group isovolumetric bladder pressure flow rate interruption table trial series force continent 26 weeks noninvasive contraction method folder length pressure measurement signi ficant difference pg-pfme arm follow-up physiotherapist retropubic mastrigt authors 2010 bju sample size calculation body mass index factor obstruction author recovery f-pfme group control