At baseline there was a significant difference in anal resting pressure , percentage of relaxation , and residual pressure of anal canal during rectal distension between the R-group and the NR-group .

• 在直肠扩张期间，R-组基线水平的肛管静息压，肛管松驰的百分比和残余压力与在非R-组比较有显著差别。