Table 4.

Univariate Cox and multivariate Cox regression analyses in validation cohort.

Characteristics	Univariate analysis		Multivariate analysis
	Hazard ratio (95% CI)	p-Value	Hazard ratio (95% CI)	p-Value
Gender (male vs. female)	1.026 (0.719–1.466)	0.887	–	–
Age (>60 vs. ≤60)	1.365 (1.073–1.415)	0.07	1.358 (0.967–1.905)	0.077
Risk score (high vs. low)	1.419 (1.009–1.997)	0.044	1.412 (1.004–1.986)	0.048