Cytomegalovirus (CMV) seroprevalence among women at childbearing age, maternal and congenital CMV infection: policy implications of a descriptive, retrospective, community-based study

Table 2 CMV serology tests and CMV infection during 2010–2020, by initial CMV serostatus

	Initial CMV serostatus		p value
	Seropositive	Seronegative	p value
Number of women (row %)	38,622 (89%)	4635 (11%)
CMV serology tests (mean ± SD)	3.2 ± 2.0	6.2 ± 4.0	< 0.001
Frequency of CMV serology tests (mean ± SD)*	1.1 ± 2.3	2.1 ± 2.9	< 0.001
CMV infection (%)	292 (0.8%)	1,633 (35.2%)	< 0.001

*Frequency of CMV serology tests is defined as the number of CMV tests divided by the number of years between first and last CMV tests. When only a single test exists, test frequency is set to zero

ISSN: 2045-4015