Epidemiological survey of human cytomegalovirus antibody levels in children from Southeastern China

Table 2 HCMV IgG concentration in seropositive individuals by age group

Age	HCMV-IgG positive	IgG concentration (median, AU/mL)	P
<28 days	1,114	248.1	<0.01^*
28 days^△	3,074	133.9	<0.01^*
6 months	1,342	250	<0.01^*
1 year	1,124	250	<0.01^*
3 years	1,079	194.2	<0.01^*
7 ~ 14 years	692	191.9	<0.01^*

Note: ^△: 28-day group is significantly different from all other groups (P < 0.001, Wilcoxon rank sum test).
*: there is a significant difference in HCMV IgG concentration distribution of these 6 groups (P < 0.01, Kruskal-Wallis H test).

ISSN: 1743-422X