Chapter 8 196 Primary outcome Mean resting electromyographic values of the pelvic floor in the total group of patients significantly improved from baseline to 1-year follow-up (mean estimated difference 2.20 µV; 95% CI, 1.79 to 2.61; p<0.001). In the PFPT-group the mean tone of the pelvic floor at rest measured with EMG, decreased significantly from baseline to 1-year follow-up (mean estimated difference 2.39 µV; 95% CI, 1.79 to 2.99; p<0.001). In the postponed PFPT-group, the mean tone of the pelvic floor at rest measured with EMG significantly decreased from baseline to follow-up at 1 year (mean estimated difference 1.97 µV; 95% CI, 1.42 to 2.52; p<0.001) (Table 2). The mean estimated difference between groups at 1-year follow-up was -.427 µV; 95% CI, -1.25 to .391 (p=.303). Regarding the analysis of repeated measures, pelvic floor muscle tone at 1 year from baseline, measured with EMG, was reduced in favor of the PFPT-group (p<0.001) (Figure 2.1; Table 2). Figure 2.1 Repeated measures restactivity muscle tone (EMG) pelvic floor
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