Table 3. The effects on per-visit outpatient and inpatient expense.

	Per-visitexpense (CNY)		Per-visit drugexpense (CNY)		Proportion (%)
	Ningshan	Zhenping	Ningshan	Zhenping	Ningshan	Zhenping
Outpatient expense
2010	168.00	130.25	98.05	63.99	58.36	49.13
2011	148.96	130.23	80.44	73.58	54.00	56.50
D1	-19.04	-0.02	-17.61	9.59	-4.36	7.37
DID	-19.02		-27.20		-11.73
Inpatient expense
2010	3418.78	2394.03	1549.81	919.98	45.33	38.43
2011	3182.81	2547.18	1376.59	1025.18	43.25	40.25
D1	-235.97	153.14	-173.22	105.20	-2.08	1.82
DID	-389.11		-278.42		-3.90