Table 5.

Adjusted comparison of complications and hospitalization outcomes*

Outcomes and complications	BMI (kg/m2)	Relative risk	95% CI		p value
			Lower	Upper
Any complication
	25–30	0.57	0.30	1.06	0.076
	30–35	0.52	0.26	1.03	0.061
	> 35	0.54	0.25	1.17	0.117
Return to the operating room
	25–30	0.29	0.07	1.29	0.103
	30–35	0.56	0.14	2.23	0.408
	> 35	0.58	0.12	2.89	0.504
Blood transfusions
	25–30	0.68	0.33	1.41	0.300
	30–35	0.82	0.39	1.71	0.591
	> 35	0.41	0.16	1.05	0.063
Discharge to home
	25–30	1.07	0.82	1.40	0.632
	30–35	1.34	0.95	1.84	0.073
	> 35	1.06	0.78	1.46	0.703

* Adjusted for all significant differences (p < 0.10); reference group had a normal BMI (18.5–25 kg/m²).