Table 5.

Multivariate logistic regression of VAS scores with tumor classification, ASA class and operation time

Outcome variable: VAS scores
Independent Variable	β (95% CI)	p-value
ASA Class	2.41 (-0.46, 5.28)	0.018
Tumor Classification	3.32 (0.63, 6.01)	0.025
Operation Time	4.88 (2.70, 7.06)	<0.001