Table 2.

Results After Logistic Regression Analysis

Variables	Single Factor Logistic		Multi-Factor Logistic
	OR	P	OR	P
Age	1.098	<0.001*	0.999	0.332
Albumin	0.855	<0.001*	0.999	0.644
Antibiotics	1.827	0.064
ASA	0.987	0.970
AT	0.991	0.017	0.999	0.117
Blood transfusion	14.265	<0.001*	1.121	<0.001*
Diabetes	8.604	<0.001*	1.033	0.168
ESR	1.027	<0.001*	1.000	0.136
Gender	0.526	0.061
Glucose	1.304	<0.001*	1.016	<0.001*
Hb	0.951	<0.001*	0.998	<0.001*
Modic	16.042	<0.001*	1.182	<0.001*
Number of screws	1.405	<0.001*	1.008	0.152
Number of vertebral bodies spanned	1.459	0.003	0.974	0.022
OP times	1.001	0.557
PLT	0.997	0.284
Sebum thickness	1.110	<0.001*	1.004	<0.001*
Skin to lamina thickness	1.025	0.118
WBC	1.094	0.021	0.998	0.254

Notes: “P<0.05”: The representation was statistically significant; “*”: means the statistical significance is more obvious.

Abbreviations: ASA, American Society of Anesthesiologists; AT, anesthesia time; ESR, erythrocyte sedimentation rate; Hb, hemoglobin; OP-time, Operation time; PLT, platelet; WBC, white blood cell.