Epidemiological serosurvey of poliovirus in Guangdong, China: A cross-sectional study

Figures & data

Figure 1. Seropositivity and GMT of polio NA in subjects < 1 year old.

Table 1. NA positive rates for different ages, regions and genders.

		PV1			PV2			PV3
	No. of tested samples	No. of tested samples	%	p value	No. of tested samples	%	p value	No. of tested samples	%	p value
total	6394	6093	95.2		6075	94.9		5677	88.7
age group (yrs)
0∼	491	459	93.5	<0.01	457	93.1	0	405	82.5	<0.01
1∼9	2840	2762	97.3		2761	97.2		2646	93.2
10∼39	2342	2182	93.2		2182	93.2		1990	85
40∼	721	687	95		672	92.9		633	87.6
Region
P	2801	2682	95.7	0.03	2667	95.1	0	2491	88.9	<0.01
E	1191	1140	95.7		1136	95.4		1037	87.1
W	901	841	93.2		834	92.5		769	85.3
N	1501	1430	95.1		1438	95.7		1380	91.8
gender
male	3392	3244	95.6	0.10	3232	95.3	0.21	3011	88.8	0.87
female	3002	2844	94.7		2839	94.6		2661	88.6

* 3 subjects missed age and 5 missed gender.

** P: Pearl delta region; E: East Guangdong; W: West Guangdong;N: North Guangdong.

Table 2. NA GMT for different ages, regions and genders.

	PV1		PV2		PV3
	GMT	P value	GMT	p value	GMT	p value
total	82.9		55.8		26.3
	(79.3-86.6)		(53.6-58.2)		(25.2-27.3)
age group (yrs)
0∼	161.1	<0.01	98.7	<0.01	38.4	<0.01
	(133.6-194.3)		(82.9-117.6)		(32.2-45.8)
1∼9	143.3		90.4		38.7
	(134.9-152.3)		(85.5-95.6)		(36.6-41.0)
10∼39	45.4		32.5		16.8
	(42.5-48.5)		(30.6-34.6)		(15.8-17.8)
40∼	42.8		32.7		18.7
	(38.0-48.2)		(29.1-36.7)		(16.7-20.9)
region
P	86	<0.01	52.5	<0.01	26.4	<0.01
	(80.6-91.8)		(49.4-55.8)		(24.8-28.1)
E	90.2		58.8		25.8
	(81.4-99.9)		(53.4-64.7)		(23.5-28.3)
W	65		48.1		22.2
	(57.5-73.2)		(43.2-53.5)		(20.0-24.6)
N	83.3		65.5		29.1
	(76.1-91.2)		(60.3-71.2)		(26.9-31.5)
gender
male	90.5	<0.01	59.6	<0.01	27.1	0.08
	(85.2-96.0)		(56.4-63.0)		(25.7-28.7)
female	75.1		51.8		25.3
	(70.4-80.0)		(48.8-55.0)		(23.9-26.8)

P: Pearl delta region; E: East Guangdong; W: West Guangdong;N: North Guangdong.