Table 3. Median survival years in patients greater than or equal to 85 years old or < 85 years old with different Charlson comorbidity index values.

	Charlson comorbidity index
	<3	4-6	7-9	>10
Median survival years in two age groups
>85 years	2.33	1.90	1.67	1.04
< 85 years	4.24	3.14	2.47	1.63