07 November 2024 : Clinical Research
High-Resolution Anorectal Manometry and Balloon Expulsion Test Outcomes in Functional Constipation: A Comparative Study
Huihui Shi1ABCDEFG, Li Li1BCG, Ling Huang1ABCDE, Wenwen Xia2DEF, Maoling Zhu1ABC, Yan Zhao2ADEFG*DOI: 10.12659/MSM.944599
Med Sci Monit 2024; 30:e944599
Table 1 Anorectal manometry results and sex-related differences in healthy volunteers.
| Female (n=55) | Male (n=18) | P | |||
|---|---|---|---|---|---|
| χ̄±s | 10%, 90% | χ̄±s | 10%, 90% | ||
| Anal resting pressure (mmHg) | 96.6±30.6 | 54.1, 135.7 | 98.0±22.0 | 63.7, 131 | 0.836 |
| Anal HPZ length (cm) | 3.00±0.59 | 2.2, 3.8 | 3.20±0.96 | 1.54, 4.21 | 0.090 |
| Anal pressure (mmHg) | 73.21±26.9 | 41.9, 107.8 | 89.5±26.9 | 49.7, 132.2 | 0.022 |
| Rectal pressure (mmHg) | 48.9±21.1 | 25.7, 83.7 | 46.8±25.0 | 18.46, 87.5 | 0.573 |
| Anal squeeze pressure (mmHg) | 216.4±65.1 | 127.8, 305.3 | 274.1±73.2 | 163.9, 350 | 0.020 |
| Rectoanal gradient (mmHg) | −4.21±28.75 | −61.20, 12.28 | −42.69±24.75 | −81.05, −8.39 | 0.017 |
| First sensation (mL) | 59.6±32.8 | 40, 90 | 60.5±31.5 | 29, 114 | 0.948 |
| Urge to defecate (mL) | 110±104.6 | 70, 165 | 95.5±36.3 | 49, 154 | 0.768 |
| Maximum discomfort (mL) | 137.7±35.4 | 100, 200 | 131.6±35.6 | 88, 200 | 0.528 |






