Risk factors for postoperative complication after spinal fusion and instrumentation in degenerative lumbar scoliosis patients

Table 4 Multivariate regression model of predicting postoperative complications after surgery for degenerative lumbar scoliosis

Predictors	Odds ratio	95% confidence Interval		P values
Predictors	Odds ratio	Lower limit	Upper limit	P values
Operation time	2.45	1.11	4.78	0.001
ASA class (more than 2)	2.21	1.22	3.45	0.003
Insulin	1.72	1.18	2.43	0.023
Steroid use for chronic condition	1.55	1.06	2.32	0.031