Anorectal physiological data in the study groups
| Subject | Age (years) | MRP | MVC | PNTML (l/r) | Electrosensory threshold (a/r)1-150 | Vaginal delivery | Type of incontinence |
| Patients | |||||||
| LK | 60 | 20 | 48 | 2.4/2.4 | 17/22 | 2 | Urge + passive |
| PW | 64 | 70 | 90 | 2.4/– | 12/49 | 1 | Urge + passive |
| FH | 56 | 68 | 20 | 2.1/2.5 | 9/36 | 2 | Urge + passive |
| HW | 72 | 40 | 20 | 1.9/2.0 | 5/9 | 2 | Urge + passive |
| DR | 50 | 24 | 60 | 2.4/2.4 | 4/25 | 3 | Urge + passive |
| GS | 60 | 40 | 80 | 2.4/2.6 | 6/12 | 3 | Passive |
| Median | 60 | 40 | 54 | 2.4 | 7/23 | 2 | |
| Controls | |||||||
| EF | 39 | 115 | 30 | 2.2/2.6 | 6/24 | 3 | 0 |
| CN | 56 | 80 | 80 | 2.0/2.1 | 5/28 | 0 | 0 |
| CH | 55 | 70 | 115 | 1.8/1.8 | 5/26 | 2 | 0 |
| IF | 62 | 160 | 60 | 2.0/2.3 | 5/29 | 2 | 0 |
| PW | 62 | 92 | 40 | 2.1/2.1 | 7/74 | 2 | 0 |
| RC | 45 | 60 | 50 | 2.1/2.0 | 6/28 | 4 | 0 |
| Median | 50.5 | 86 | 55 | 2.1 | 6/28 | 2 |
MRP, maximum resting pressure (cm H2O) (normal >40); MVC, maximum voluntary contraction (cm H2O) (normal >40); PNTML (l/r), pudendal nerve terminal motor latency (ms), left/right (normal <2.4).
↵1-150 (mAmp), anus/rectum (normal <11/50).
Normal values are derived from our laboratory.21