Table 3.

Risk for overall complication following UKA

	Odds ratio	95% CI	Adjusted p value
BMI (per 5 points)	1.24	[1.03–1.51]	0.027*
ASA ≥ 3	1.19	[0.61–2.32]	0.607
History of COPD	3.77	[1.33–10.72]	0.013*
History of DM	0.94	[0.41–2.16]	0.889
Resident present in case	0.29	[0.10–0.82]	0.020*
Preoperative BUN	1.02	[0.99–1.06]	0.188
Preoperative WBC	1.05	[0.92–1.19]	0.462