Table 4. The cost-utility analyses of different sexes and ages.

Variable	Cost (RMB)	Incremental costs	Effectiveness (QALY)	Incremental effectiveness	ICER
Age
<45 years	62,001.569	Ref	4.333	Ref	Ref
45–60 years	58,802.931	−3,198.638	4.271	−0.0062	51,590.94
>60 years	66,487.315	4,485.746	4.157	−0.176	−25,487.19
Sex
Female	56,501.834	Ref	4.216	Ref	Ref
Male	62,120.222	5,618.388	4.270	0.054	104,044.22

QALY, quality-adjusted life year; ICER, incremental cost-effectiveness ratios.