Table 3.
Ano-rectal manometry n (%)
| Resting pressure | Normal (60-80 mmHg) | Decreased (< 50 mmHg) | Increased (> 80 mmHg) |
| Total (n = 763) | 333 (43.6) | 373 (48.9) | 57 (7.5) |
| Men (n = 118) | 65 (55.1) | 42 (35.6) | 11 (9.3) |
| Women (n = 645) | 268 (41.5) | 331 (51.3) | 46 (7.1) |
| χ2 (P value) | 3.70 (NS) | 5.02 (< 0.05) | 0.32 (NS) |
| External anal sphincter pressure | Normal (> 120 mmHg) | Decreased (< 120 mmHg) | |
| Total (n = 763) | 322 (42.2) | 441 (57.8) | |
| Men (n = 118) | 92 (78.0) | 26 (22.0) | |
| Women (n = 645) | 230 (35.6) | 415 (64.3) | |
| χ2 (P value) | 64.4 (< 0.001) | 35.7 (< 0.001) | |
| Rectal sensitivity | Normal | Decreased | Increased |
| Total (n = 763) | 393 (51.5) | 97 (12.7) | 273 (35.8) |
| Men (n = 118) | 54 (45.8) | 29 (24.6) | 35 (29.7) |
| Women (n = 645) | 339 (52.6) | 68 (10.5) | 238 (36.9) |
| χ2 (P value) | 0.92 (NS) | 6.87 (<0.01) | 1.17 (NS) |
| Recto-anal inhibitory reflex | Normal (20-30 mL) | Decreased or absent (> 60 mL) | Increased (< 10 mL) |
| Total (n = 763) | 614 (80.5) | 69 (9.0) | 80 (10.5) |
| Men (n = 118) | 102 (86.4) | 10 (8.5) | 6 (5.1) |
| Women (n = 645) | 515 (79.8) | 59 (9.1) | 71 (11.0) |
| χ2 (P value) | 1.55 (NS) | 0.02 (NS) | 2.35 (NS) |
NS: Not significant.