Table 2.
Comparison of efficacy measurements between two groups.
| DADS | Cutting seton | t/x2 | p | |
|---|---|---|---|---|
| Primary efficacy measurement | ||||
| Rate of healing at12 month post-operation | n = 56 | n = 55 | ||
| 92.9% | 90.9% | 0.141 | 0.707 | |
| Secondary efficacy measurement | ||||
| Time of resumption to work (days) | n = 60 | n = 60 | ||
| 5 ± 2 | 10 ± 3 | − 10.742 | 0.000 | |
| Post-operation pain | n = 60 | n = 60 | ||
| 1 day VAS post-operation | 4.0 ± 1.1 | 6.1 ± 1.3 | − 9.552 | 0.000 |
| 1 week VAS post-operation | 3.3 ± 0.8 | 4.2 ± 1.1 | − 5.125 | 0.000 |
| Vaizey anal incontinence score | ||||
| n = 60 | n = 60 | |||
| Pre-operation | 0 | 0 | – | – |
| Post-operation | 0.17 ± 0.5* | 2.15 ± 3.4** | 4.416 | 0.000 |
| Perfect continence (score = 0) | 54 (90.0%) | 35 (58.3%) | 17.056 | 0.001 |
| Mild incontinence (score 1–6) | 6 (10.0%) | 18 (30.0%) | ||
| Moderate incontinence (score 7–12) | 0 | 5 (8.3%) | ||
| Severe incontinence (score 13–24) | 0 | 2 (3.3%) | ||
| Total complications | n = 60 | n = 60 | ||
| 1 (1.7%) | 5 (8.3%) | 2.807 | 0.094 | |
VAS visual analog scale, DADS decompression and drainage seton.
*p < 0.05 pre-operation VS post-operation, **p < 0.01 pre-operation VS post-operation.