Table 3.

90-day complications and corresponding hazard ratios

	Nonstratified model			Stratified by diabetic status
	Obese			Obese and with diabetes			Obese and without diabetes
Complication	HR	95% CI	p Value	HR	95% CI	p Value	HR	95% CI	p Value
Acute myocardial infarction	0.94	0.74–1.20	0.631	0.82	0.58–1.17	0.284	0.99	0.70–1.39	0.950
Deep vein thrombosis	1.43	1.14–1.79	0.002	1.26	0.90–1.77	0.174	1.50	1.13–1.97	0.004
Death	0.94	0.73–1.19	0.592	0.90	0.63–1.29	0.575	0.90	0.64–1.25	0.516
Dislocation	1.07	0.85–1.34	0.585	0.99	0.71–1.40	0.963	1.09	0.80–1.50	0.582
Pulmonary embolism	1.57	1.25–1.99	< 0.001	0.99	0.64–1.53	0.970	1.93	1.49–2.50	< 0.001
Implant failure	1.48	1.30–1.68	< 0.001	1.31	1.06–1.62	0.013	1.58	1.34–1.85	< 0.001
Periprosthetic joint infection	3.71	3.20–4.31	< 0.001	2.81	2.23–3.54	< 0.001	4.44	3.67–5.36	< 0.001
Pneumonia	1.11	0.94–1.30	0.214	1.01	0.79–1.29	0.937	1.14	0.92–1.40	0.242
Readmission	1.48	1.40–1.56	< 0.001	1.31	1.20–1.42	< 0.001	1.58	1.47–1.70	< 0.001
Renal failure	1.68	1.56–1.80	< 0.001	1.51	1.37–1.67	< 0.001	1.73	1.57–1.90	< 0.001
Revision	1.91	1.69–2.16	< 0.001	1.65	1.35–2.02	< 0.001	2.07	1.78–2.41	< 0.001
Wound dehiscence	3.91	3.14–4.86	< 0.001	2.85	2.01–4.04	< 0.001	4.75	3.65–6.17	< 0.001

HR = hazard ratio.