Evaluation of the learning curve and complications in unilateral biportal endoscopic transforaminal lumbar interbody fusion: cumulative sum analysis and risk-adjusted cumulative sum analysis

Table 5 Multivariate Logistic regression of risk factors for surgical failure

Variable	OR/F	P Value
Univariate ANOVA analysis	F
Age	0.579	0.448
Gender	1.304	0.255
BMI	29.198	0.000
Hypertension	28.273	0.000
Diabetes	0.527	0.469
Operation time	6.854	0.010
Surgical segment	3.207	0.075
Visible blood loss	1.936	0.166
Multivariate logistic regression	OR
BMI	2.095	0.004
Hypertension	10.466	0.048
Operation time	1.050	0.005
Costant	0.000	0.000

ISSN: 1749-799X