Table 2.

Average expenditure per capital

Expenditure index	Total medical expense	MI fund expense	OOP expense	Self-payment ratio (%)
Total	671.40	512.75	158.65	22.26
Age
18–44	487.49 ± 625.75	372.89 ± 475.27	114.60 ± 165.16	22.03% ± 12.12
45–64	678.54 ± 764.94***	517.77 ± 577.86***	160.77 ± 202.71***	22.26% ± 10.71
≥65	716.80 ± 805.29***	547.83 ± 609.62***	168.98 ± 210.90***	22.32% ± 10.15
Gender
Male	694.94 ± 798.59	532.07 ± 605.79	162.87 ± 208.55	22.00% ± 11.01
Female	650.51 ± 741.60***	495.60 ± 559.26***	154.91 ± 197.19**	22.49% ± 10.36**
Method of payment
FFS group	700.64 ± 760.66	532.37 ± 572.84	168.27 ± 204.76	22.32% ± 11.18
GBPS group	640.28 ± 777.08***	491.87 ± 590.67***	148.42 ± 199.88***	22.19% ± 10.10

Results are expressed as mean ± standard deviation. For comparison of average expenditure among different age groups, those patients between 18 and 44 years old were used as reference. For comparison of average expenditure between different gender groups, male patients were used as reference. For comparison of average expenditure between groups of different payment method, those patients in the FFS group were used as reference

MI medical insurance, OOP out-of-pocket

* p value < 0.05,** p value < 0.01,*** p value < 0.001