Table 2.
Results of anorectal manometry and electromyography
| Variable | Constipated group (n = 64) | Incontinent group (n = 69) | Non-bowel dysfunction group (n = 34) | P-value |
|---|---|---|---|---|
| MRP (mmHg) | 61.08 ± 16.39 | 44.12 ± 11.19 | 64.73 ± 11.50 | 0.005 |
| MSP (mmHg) | 118.82 ± 52.31 | 95.25 ± 39.36 | 93.06 ± 42.40 | 0.014 |
| MSV (mL) | 5.63 ± 1.92 | 6.02 ± 2.58 | 5.60 ± 1.65 | 0.142 |
| MTV (mL) | 140.89 ± 40.50 | 122.63 ± 31.98 | 134.00 ± 33.16 | 0.058 |
| Electromyography | 55 | 66 | 27 | 0.217 |
| Normal | 32 (58.2) | 35 (53.0) | 20 (74.1) | |
| Equivocal | 2 (3.6) | 6 (9.1) | 0 (0.0) | |
| Paradoxical | 21 (38.2) | 25 (37.9) | 7 (25.9) | |
| PNTML | 55 | 66 | 28 | 0.187 |
| Normal | 23 (41.8) | 30 (45.5) | 16 (57.1) | |
| Unilateral neuropathy | 21 (38.2) | 17 (25.8) | 9 (32.1) | |
| Bilateral neuropathy | 11 (20.0) | 19 (28.8) | 3 (10.7) |
Values are presented as mean±standard deviation, number only, or number (%).
MRP, maximal resting pressure; MSP, maximal squeezing pressure; MSV, minimal sensory volume; MTV, maximal tolerable volume; PNTML, pudendal nerve terminal motor latency.