Table 3.

ITS regression results of the expenditure change in inpatient pre and post the ZMD policy and ZMC policy

	Total expenditure	Drug fees	Consumables Fees	Inspection Fees	Medical service fees
Intercept(β0)	6398.24**	2342.29**	608.60**	1520.53**	1786.90**
Baseline trend(β1)	36.43**	3.62	12.13**	13.66**	6.16**
Level change after ZMD(β2)	125.42	-52.01	0.55	142.12**	32.10
Trend change after ZMD(β3)	-51.48**	-18.76**	-13.41**	-13.82**	-2.87
Level change after ZMC(β4)	656.13**	221.17**	185.50**	157.31*	101.46
Trend change after ZMC(β5)	1.10	-3.53	-0.33	4.39	-0.57

Two-tail P value: *p<0.05, **p<0.01. HAC (Newey-West) standard error