Medical resource utilization and the associated costs of asthma in China: a 1-year retrospective study

BMC Pulmonary Medicine

Table 4 Costs of medical resource utilization by sociodemographic and clinical characteristics

Variable	Mean Costs	SD	P
Age group (years)			0.0001
6–11	1,122.2	1,618.7
12–17	1,348.1	1,702.5
18–30	1,032.0	1,837.0
31–45	1,363.7	5,505.3
46–60	1,720.6	3,385.3
>60	2,442.8	6,037.9
Gender			0.1675
Male	1,735.3	5,791.9
Female	1,732.8	3,451.6
Region			0.0001
East	1,401.5	3,788.1
Middle	5,217.6	5,158.4
West	2,190.4	10,073.1
Insurance type			< 0.0001
Urban Employee Basic Medical Insurance	1,640.2	4,804.2
Urban Resident Basic Medical Insurance	2,282.7	3,855.5
Complications (yes)	5,902.3	14,139.4	< 0.0001
Complications (no)	1,595.7	3,931.3
Controlled	717.0	1,163.5	< 0.0001
Uncontrolled	3,729.4	7,503.7
Exacerbation ≥ 2 (yes)	4,264.4	8,275.0	< 0.0001
Exacerbation ≥ 2 (no)	1,559.9	4,273.9
Hospitalization (yes)	7,373.3	10,796.6	< 0.0001
Hospitalization (no)	875.9	1,403.7

Cost data are presented as in Chinese Yuan (CNY); the US dollar equivalent can be calculated using the mean of 2015 exchange rates: US$1 = CNY 6.2284. SD: standard deviation. P values were based on Mann-Whitney U /Kruskal-Wallis tests. Complications were defined as having one of the following conditions: infection, shock, pneumothorax, disseminated intravascular coagulation, mechanical ventilation, respiratory failure, respiratory or sudden cardiac arrest, and sudden death; Exacerbation was defined as: hospital admission or emergency room (ER) visit, or outpatient visit with an OCS prescription order within 7 days of outpatient visit; Poor control level was defined as: ≥1 any exacerbation or treatment step-up.

ISSN: 1471-2466