. 2017 Sep 16;8(50):87667–87674. doi: 10.18632/oncotarget.21034

Table 3. The impact of spinal anesthesia on tumor recurrence.

	Multivariate Cox regression model^*		PS matching^*		IPTW^*
	HR (95% CI)	P	HR (95% CI)	P	HR (95% CI)	P
Tumor recurrence	0.619 (0.484–0.793)	<0.001	0.642 (0.498–0.826)	0.001	0.636 (0.502–0.806)	<0.001

PS = propensity score; IPTW = inversed probability of treatment weighting; HR = hazard ratio; CI = confidence interval. ^* Adjusted by all variables in Table 1.