Efficacy and Predictors for Biofeedback Therapeutic Outcome in Patients with Dyssynergic Defecation

Table 8

Multiple linear regression analysis of predictors of BFT outcome.

Variables	β coefficient	95% CI
Stool consistency	−0.110	−0.213 to −0.032	0.176
SDS	−0.271	−0.506 to −0.036	0.032
Physical role function	0.112	0.204 to 0.020	0.172
First sensation volume	−0.325	−0.534 to −0.012	0.013

BFT = biofeedback therapy; SDS = Zung’s Self-Rating.