Table 1.
Variables | Values |
---|---|
Maximum resting pressure (mmHg) | 76.3 ± 23.0 |
Mean resting pressure (mmHg) | 69.2 ± 21.2 |
Maximum squeeze pressure (mmHg) | 198.4 ± 75.6 |
HPZ length (cm) | 3.4 ± 1.0 |
Duration of sustained squeeze (sec) | 13.6 ± 7.0 |
Residual anal pressure (mmHg) | 81.3 ± 34.3 |
Intrarectal pressure (mmHg) | 50.8 ± 31.1 |
Rectoanal pressure differential (mmHg) | −30.5 ± 3.6 |
Mean volume of first sensation (mL) | 44.6 ± 27.5 |
Mean volume for desire to defecate (mL) | 77.6 ± 35.0 |
Mean volume for urgency (mL) | 109.0 ± 35.6 |
Maximum tolerable volume (mL) | 158.0 ± 42.5 |
HPZ, high pressure zone.
Values were expressed as mean ± SD.