Table 2.

Frequency of Group A rotavirus detected in children with diarrhea in China, 2009–2015, stratified by economic regions.

Characteristics	All patients		p-value	Lower-middle-income regions		p-value	Upper-middle-income regions		p-value	High-income regions		p-value
	No. tested	No. identified, (%)		No. tested	No. identified, (%)		No. tested	No. identified, (%)		No. tested	No. identified, (%)
Total	33616	10089 (30.0)		5002	2034(40.7)		24110	7552(31.3)		4504	503 (11.2)
Hospital settings			<0.001			<0.001			<0.001			–
Outpatient	27931	7842 (28.1)		3682	1356 (36.8)		19745	5983 (30.3)		4504	503 (11.2)
Inpatient*	5685	2247 (39.5)		1320	678 (51.4)		4365	1569 (35.9)		0	–
Sex			0.006			0.153			0.104			0.808
Male	21683	6618 (30.5)		3298	1365 (41.4)		15611	4946 (31.7)		2774	307 (11.1)
Female	11933	3471 (29.1)		1704	669 (39.3)		8499	2606 (30.7)		1730	196 (11.3)
Age group			<0.001			<0.001			<0.001			<0.001
1-5 mo	8186	1843 (22.5)		1001	381 (38.1)		6238	1393 (22.3)		947	69 (7.3)
6-11 mo	12249	4329 (35.3)		1899	931 (49.0)		9244	3273 (35.4)		1106	125 (11.3)
12-23 mo	8257	2795 (33.9)		1263	490 (38.8)		5551	2095 (37.7)		1443	210 (14.6)
24-59 mo	4924	1122 (22.8)		839	232 (27.7)		3077	791 (25.7)		1008	99 (9.8)
Residential Area#			<0.001			<0.001			<0.001			<0.001
Rural	15276	5336 (34.9)		2408	902 (37.5)		11795	4272 (36.2)		1073	162 (15.1)
Urban	17930	4653 (26.0)		2426	1097 (45.2)		12076	3215 (26.6)		3428	341 (9.9)

Regions were classified according to the World Bank’s classification of economies: Lower-middle-income regions = Gross Regional Product (GRP) in the province $1006–3955 per capita per year; upper-middle-income regions = GRP $3956–12,235 per capita per year; and high-income regions = GRP ≥ $12,236 per capita per year.

^*No patients were recruited at inpatient settings during the years 2012–2015.

^#The no. of patients in rural and urban areas did not equal the total no. of patients due to missing data; an em dash denotes that data are currently unavailable.