The average anal pressure during defecation before treatment was 50.1 ± 21.2 mmHg, decreased to 44.1 ± 20.9 mmHg after treatment; the average rectal pressure during defecation before treatment was 71 ± 13.5 mmHg, increased to 74.1 ± 13.5 mmHg after treatment (p > 0.05).