Table 2.

Impact of Payment Method Reform in Tertiary Hospitals Based on Controlled ITSA

	Number of Outpatients	Number of Inpatients	Expenditures Per Outpatient Visit	Expenditures Per Inpatient Visit	OOP Payments Per Visit	LOS
Before intervention
Level (control group, β0)	100,242.80**	3435.60**	241.87**	9009.28**	457.59**	9.26**
Trend (control group, β1)	450.42	76.83**	0.73**	77.71*	−4.39**	−0.07**
Difference in level (β4)	35,264.23**	5031.79**	−4.05	2235.96**	−221.74**	−0.01
Difference in trend (β5)	1414.92	35.78	−0.56	39.52	2.19	0.04
After intervention
Level change (control group, β2)	−4042.05	−723.70*	−7.90	−879.88*	−25.86	−0.52
Change in trend (control group, β3)	1131.88	−27.89	−0.04	−31.01	3.45	−0.01
Difference in level change (β6)	−2032.88	976.08	13.39	−390.73	67.26*	0.21
Difference in change in trend (β7)	1499.28	100.01*	1.67*	−123.16*	−4.18*	−0.10*
F	98.36**	437.66**	14.53**	41.61**	168.79**	182.71**

Note: *p<0.05; **p<0.001.