Table 3.

Predictors of intraoperative presence of internal herniation

Variable	Internal herniation (%)	OR	95%CI	p value
Age > 45 (n = 75)	46 (61.3%)	1.01	0.56–1.84	0.965
Female gender (n = 171)	101 (59.1%)	0.42	0.15–1.20	0.107
Male gender (n = 22)	17 (77.3%)	2.36	0.83–6.69	0.107
Reoperation after 2014 (n = 137)	87 (64.0%)	1.49	0.80–2.79	0.214
BMI ≥ 30 at reoperation (n = 73)	47 (65.3%)	1.34	0.73–2.46	0.340
BMI loss ≥ 20 (n = 25)	15 (60.0%)	1.04	0.45–2.43	0.926
%TWL > 40 (n = 44)	30 (68.2%)	1.54	0.75–3.14	0.753
Acute surgery (n = 73)	57 (79.2%)	3.74	1.91–7.31	< 0.001*
Elective surgery (n = 121)	61 (50.4%)	0.27	0.14–0.52	< 0.001*
CT normal (n = 87)	43 (47.3%)	0.20	0.09–0.45	< 0.001*
Internal herniation on CT (n = 58)	48 (82.8%)	4.91	2.11–10.93	< 0.001*

%TWL = percentage total weight loss

BMI, body mass index; GB, gastric bypass; CT, computed tomography

*Significant difference