Table 4.

Sensitivity analysis

Sensitivity analysis	Heterogeneity test		Pooled effect size
	I2 (%)	Tau2	HR (95% CI)	P-value
Lu et al19 included	73.4	0.5865	1.99 (1.02–3.90)	0.001
Lu et al19 excluded	0.0	0.0000	2.75 (1.88–4.02)	0.745

Abbreviations: CI, confidence interval; HR, hazard ratio.