TABLE 2.
Perioperative Variables
| Open restorative proctocolectomy (n = 290) |
Laparoscopic restorative proctocolectomy (n = 100) |
P value | |
|---|---|---|---|
| Operation time (min, mean ± SD) | 346 ± 73 | 434 ± 73 | <0.001 |
| Estimated blood loss (mL, mean ± SD) | 310 ± 194 | 285 ± 202 | NS |
| Transfusion* | NS* | ||
| None | 265 (91%) | 94 (94%) | |
| 1 unit (%) | 22 (8%) | 6 (6%) | |
| 2 units (%) | 3 (1%) | 0 (0%) | |
| Pouch configuration* | <0.001* | ||
| S (%) | 255 (88%) | 92 (92%) | |
| W (%) | 30 (10%) | 0 (0%) | |
| J (%) | 5 (2%) | 8 (8%) | |
| Seprafilm use (%) | 229 (79%) | 64 (64%) | 0.005 |
| Elective (%)/urgent (%) | 280 (97%)/10 (3%) | 98 (98%)/2 (2%) | NS |
| Postoperative stay (d, mean ± SD) | 7.4 ± 3.5 | 6.4 ± 3.3 | 0.007 |
| Time to takedown (d, mean ± SD) | 108 ± 71 | 89 ± 44 | 0.002 |
*
These three P values were calculated at the same time using a 2 × 3 table and Fisher’s exact test.