Figure 1. Maximal urethral closure pressure.
Maximal urethral closure pressure (grey bars) and the increase during pelvic muscle contraction (open bars) by continence status and race are shown with confidence intervals. Thick horizontal bar indicates statistical significance with Bonferroni correction and thin bars, without. Bars below the dotted line are for maximal urethral closure pressure and those above for increase during muscle contraction. (© DeLancey 2009)