Table 2.
Association of Small Bowel Obstruction with Route of Hysterectomy and Additional Risk Factors: Logistic Regression Models
| Univariable Analysis |
Multivariable Model |
Multivariable Model 2 |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | p-Value | AOR | 95% CI | p-Value | AOR | 95% CI | p-Value | |
| Route of hysterectomy (reference = abdominal) | |||||||||
| Laparoscopic | 0.43 | (0.20, 0.92) | .0299 | 0.54 | (0.23, 1.23) | .1410 | |||
| Vaginal | 0.10 | (0.01, 0.76) | .0255 | 0.18 | (0.02, 1.37) | .0968 | |||
| Laparoscopic + Vaginal | 0.33 | (0.16, 0.68) | .0025 | 0.44 | (0.20, 0.98) | 0.0444 | |||
| Age | 1.03 | (1.00, 1.05) | .0477 | 1.01 | (0.97, 1.04) | .6856 | AOR’s, 95% CI’s and p-values very similar to multivariable model 1 and not shown | ||
| BMI | 1.01 | (0.97, 1.06) | .5398 | 1.00 | (0.95, 1.05) | .9179 | |||
| Tobacco use* | 1.09 | (0.38, 3.11) | .8705 | 1.09 | (0.37, 3.20) | .8741 | |||
| Diabetes* | 1.20 | (0.50, 2.90) | .6816 | 0.79 | (0.30, 2.08) | .6356 | |||
| Bowel injury* | 12.48 | (4.38, 35.51) | <.0001 | 10.14 | (3.09, 33.27) | .0001 | |||
| Malignancy* | 4.00 | (2.09, 7.65) | <.0001 | 2.81 | (1.14, 6.90) | .0241 | |||
| Estimated blood loss | 1.11 | (1.05, 1.18) | .0002 | 1.06 | (1.00, 1.14) | .0678 | |||
| Prior cesarean section* | 0.83 | (0.38, 1.81) | .6347 | 0.84 | (0.37, 1.92) | .6812 | |||
| Lysis of adhesions* | 2.34 | (1.20, 4.53) | .0120 | 1.82 | (0.85, 3.89) | .1206 | |||
CI, confidence interval; OR, odds ratio; AOR, adjusted odds ratio; BMI, body mass index.
n = 1630; 40 (2.4%) with small bowel obstruction.
reference = no.