Figure 4From: Influence of rectal prolapse on the asymmetry of the anal sphincter in patients with anal incontinenceIndividual results of anal sphincter asymmetry index at rest (ASAIr) in patients without anal sphincter defect, depending on the presence (13 patients) or the absence (12 patients) of rectal prolapse. The black bars represent the mean value in each group (p < 0.03).Back to article page