TABLE 3.

Neonatal VZV-IgG Titer in Relation to CDC Criteria16

According to CDCNeonatal VZV-IgG TiterTotal
PositiveNegative
Not at risk14235177
At risk251944
16754221
Predictive value of CDC criteria
PPV (not at risk): 142/177 = 0.80
NPV (at risk): 19/44 = 0.43