Impact of China’s zero mark-up drug policy on drug cost of NCDs’ outpatients: an interrupted time series analysis

Table 1 Outpatient volume and the average drug cost for three chronic diseases from January 2015 to February 2019

Indicator		Outpatient volume (person-month)				Average drug cost (RMB)
Indicator		Total	Diabetes	Hypertension	Coronary heart disease	Total	Diabetes	Hypertension	Coronary heart disease
Sex	Female	174,508	96,072	69,600	8836	689.74	753.94	595.31	735.46
Sex	Male	176,340	101,155	61,393	13,792	687.56	720.06	607.45	805.85
Age	< 46	25,024	15,380	9040	604	468.51	535.50	346.92	582.68
	46–65	169,601	101,838	58,415	9348	649.35	699.32	543.50	766.34
	> 65	156,223	80,009	63,538	12,676	766.57	822.62	690.01	796.56
Basic medical insurance type	BMIUE	325,040	182,432	122,273	20,335	712.42	763.34	621.26	803.72
	BMIUR	12,790	8548	3245	997	376.81	390.80	291.68	533.91
	BMIRC	806	417	232	157	917.41	1029.62	675.23	977.25
	Self-insured	12,212	5830	5243	1139	367.44	384.82	316.65	512.26
Year	2015	89,795	46,237	38,335	5223	704.56	772.03	609.88	802.17
	2016	89,077	46,607	36,598	5872	711.89	775.03	619.63	785.73
	2017	91,310	49,679	35,675	5956	684.35	731.93	597.58	807.23
	2018	71,809	47,951	18,927	4931	656.25	684.80	564.39	731.30
	2019 (Jan-Feb)	8857	6753	1458	646	600.43	629.96	458.56	611.99
ZMDP implemented	NO	242,006	126,979	99,728	15,299	707.74	769.24	614.99	801.88
ZMDP implemented	YES	108,842	70,248	31,265	7329	646.20	677.50	556.38	729.28
Total		350,848	197,227	130,993	22,628	688.65	736.56	601.00	778.36

Abbreviations: BMIUE basic medical insurance for urban employees, BMIUR basic medical insurance for urban residents, BMIRC basic medical insurance for retired cadres

ISSN: 1472-6963