Table 2.
Interphase comparisons of patient characteristics and other parameters (mean ± standard deviation)
| Characteristic | Phase 1 (n = 15) |
Phase 2 (n = 10) |
Phase 3 (n = 23) |
Phases 1 and 2 vs Phase 3 (p-value) |
|---|---|---|---|---|
| Age (years) | 51.7 ± 12.5 | 59.0 ± 8.3 | 53.2 ± 14.7 | NS |
| BMI (kg/m2) | 26.8 ± 8.0 | 27.2 ± 4.6 | 28.7 ± 5.7 | NS |
| ASA | 2.5 ± 0.6 | 2.4 ± 0.4 | 2.2 ± 0.4 | NS |
| Female/male | 10:5 | 4:6 | 8:15 | NS |
| Malignant disease (%) | 4 (26.7) | 7 (70) | 9 (39.1) | NS |
| APR (%) | 2 (13.3) | 4 (40) | 0 (0) | <0.013a |
| RP (%) | 3 (20) | 0 (0) | 1 (4.3) | NS |
| LAR and AR (anastomosis) (%) | 10 (66.7) | 6 (60) | 22 (95.7) | <0.008a |
ASA American Society of Anesthesiologists, APR abdominoperineal resection, AR anterior resection, BMI body mass index, LAR low anterior resection, NS not statistically significant, RP rectal prolapse
aStatistically significant