TABLE 4.
Univariate Evaluation of Potential Risk Fators for SBO After Combining Open and Laparoscopic Groups
| No SBO (n = 332) | SBO within 1 y post-takedown (n = 58) | P value | |
|---|---|---|---|
| Age (y, mean ± SD) | 38.7 ± 13.4 | 36.6 ± 14.8 | NS |
| Female (%)/male (%) | 143 (43%)/189 (57%) | 30 (52%)/28 (48%) | NS |
| BMI (kg/m2, mean ± SD) | 25.9 ± 4.8 | 25.1 ± 5.8 | NS |
| Operative data | |||
| ASA score | |||
| 1 (%) | 17 (5%) | 5 (9%) | NS* |
| 2 (%) | 279 (84%) | 45 (78%) | |
| 3(%) | 24 (7%) | 7 (12%) | |
| HgB (g/dL, mean ± SD) | 12.8 ± 2.1 | 12.8 ± 1.9 | NS |
| Past medical history | |||
| COPD/asthma (%) | 18 (5%) | 2 (3%) | NS |
| Diabetes (%) | 20 (6%) | 3 (5%) | NS |
| HTN (%) | 32 (10%) | 4 (7%) | NS |
| CAD (%) | 6 (2%) | 4 (7%) | 0.05 |
| Surgical history | |||
| Any prior abdominal surgery (%) | 107 (32%) | 21 (36%) | NS |
| Prior colectomy (total or subtotal) (%) | 31 (9%) | 5 (9%) | NS |
| Prior appendectomy (%) | 8 (2%) | 6 (10%) | 0.001 |
| Prior cholecystectomy (%) | 10 (3%) | 4 (7%) | NS |
| Any prior gynecologic surgery (%) | 36 (11%) | 7 (12%) | NS |
| Prior C-section (%) | 23 (7%) | 4 (7%) | NS |
| Perioperative medication use | |||
| Steroids (%) | 200 (60%) | 40 (69%) | NS |
| 5-ASA meds (%) | 202 (61%) | 38 (66%) | NS |
| Other immunomodulators (%) | 36 (11%) | 3 (5%) | NS |
| Operation time (min, mean ± SD) | 367 ± 83 | 363 ± 78 | NS |
| Estimated blood loss (mL, mean ± SD) | 305 ± 198 | 296 ± 185 | NS* |
| Transfusions* | |||
| None (%) | 305 (92%) | 54 (93%) | |
| 1 unit (%) | 24 (7%) | 4 (7%) | |
| 2 units (%)) | 3 (1%) | 0 (0%) | |
| Pouch type* | <0.001* | ||
| S (%) | 304 (92%) | 43 (74%) | |
| W (%) | 21 (6%) | 9 (16%) | |
| J (%) | 7 (2%) | 6 (10%) | |
| Seprafilm use (%) | 254 (77%) | 39 (67%) | NS |
| Elective (%)/urgent (%) | 323 (97%)/9 (3%) | 55 (95%)/3 (5%) | NS |
*
These three P values were calculated at the same time using a 2 × 3 table and Fisher’s exact test.