Table 3.

Analysis of Overall Survival Time

Variables	Parameter	Low-ACCI (N=32)	High-ACCI (N=32)
Events
Death	n (%)	11 (65.62)	31 (96.87)
Censor	n (%)	21 (34.38)	1 (3.13)
Overall survival (month)	Median (95% CI)	51.9 (34.1–84.0)	13.9 (10.5 −22.0)
	Log rank p-value		<0.001
	HR (95% CI)		3.801 (2.069 −6.982)
Survival rate
2 years (95% CI)		0.773 (0.581–0.885)	0.281 (0.140–0.441)
3 years (95% CI)		0.664 (0.464–0.804)	0.188 (0.076–0.337)
5 years (95% CI)		0.391 (0.211–0.567)	0.042 (0.003–0.169)

Abbreviations: ACCI, the age-adjusted Charlson comorbidity index; HR, hazard ratio.