Table 3

Summary of the estimated coefficients for explanatory variables

Variables	Estimate	SE	t value	95% Wald CI		P value
Variables	Estimate	SE	t value	Lower	Higher	P value
Intercept	8244.545	144.519	57.048	7961.286	8527.803	<0.001
Hospital level
Provincial	935.853	268.257	3.489	410.067	1461.638	<0.001
Municipal	115.775	107.034	1.082	−94.012	325.561	0.279
District	1072.700	128.280	8.362	821.271	1324.129	<0.001
County*	0†
Hospital type
Specialised hospital	−1851.923	134.112	−13.809	−2114.783	−1589.064	<0.001
Traditional Chinese medicine hospital	−2750.444	154.829	−17.764	−3053.910	−2750.444	<0.001
Maternal and childcare hospital	−2688.849	98.955	−27.173	−2882.800	−2494.898	<0.001
General hospital*	0†
Year
2015	−2865.814	85.143	−33.659	−3032.693	−2698.934	<0.001
2016	−4494.304	125.227	−35.889	−4739.748	−4248.860	<0.001
2017*	0†
Length of stay	256.313	8.103	31.633	240.432	272.194	<0.001
Reimbursement ratio	−607.055	144.483	−4.202	−890.241	−323.869	<0.001