2.

腰椎融合术后切口感染相关危险因素的Logistic回归分析

Multiple logistic regression model of previously identified risk factors of SSI and LMM fat infiltration

	P†	Odds ratio (95% Wald CI)†	P‡	Odds ratio (95% Wald CI)‡
†right side; ‡left side.
Gender (Male)	0.048	0.45(0.20, 0.99)	0.016	0.35(0.15, 0.82)
Age	0.003	0.96(0.94, 0.99)	0.001	0.96(0.93, 0.98)
BMI	0.000	0.81(0.73, 0.90)	0.000	0.82(0.73, 0.91)
Hemoglobin	0.089	1.02(0.99, 1.05)	0.076	1.02(0.99, 1.05)
Surgery levelsa
2 levels	0.000	3.82(2.03, 7.18)	0.001	3.83(2.00, 7.32)
3 levels	0.000	7.41(2.64, 20.83)	0.000	9.24(3.13, 27.32)
Subcutaneous fat thickness	0.000	1.09(1.04, 1.14)	0.000	1.10(1.05, 1.15)
Fat infiltration (L)	0.000	1.05(1.03, 1.07)
Fat infiltration (R)			0.000	1.08(1.05, 1.10)