Fig. 4From: Pelvic floor parameters predict postpartum stress urinary incontinence: a prospective MRI studyPrism plot for comparison of morphology and function of the levator ani muscle. a–f The comparison of each pelvic floor parameter at rest; g–l the comparison of each pelvic floor parameter during straining; m the constituent ratio of LAM injury between the three groups. LPA, levator plate angle; * represents p < 0.05, ** represents p < 0.001Back to article page