Table 1.
Characteristics of the mothers and their infants who had congenital CMV infection and a normal physical examination
| Dallas | Buenos Aires | Total | |
|---|---|---|---|
| No. of mothers | 14 | 20 | 34 |
| Age (year, mean ± SD, range) | 25.8 ± 5.7 (17–33) | 33.1 ± 8 (22–52) | 29.9 ± 6.9 (17–52) |
| Ethnicity | |||
| Hispanic | 8 (57%) | 20 (100%) | 28 (82%) |
| Non-Hispanic white | 5 (36%) | 0 | 5 (15%) |
| Non-Hispanic black | 1 (7%) | 0 | 1 (3%) |
| Type of delivery (n = 28) | |||
| Vaginal | 9 (64%) | 10/14 (71%)a | 19 (68%) |
| Cesarean | 5 (36%) | 4/14 (29%)a | 9 (32%) |
| CMV infection during pregnancy (positive serum CMV IgM and IgG; see text) | 2 | 17 | 19 |
| HIV-infection | 3 (21%)b | 0 | 3/31 (10%)a |
| No. of infants | |||
| Age at diagnosis (days, mean ± SD; range) | 4.5 ± 5.3 (1–21) | 5.6 ± 5.7 (1–21) | 5.1 ± 5.4 (1–21) |
| Gestational age (weeks, mean ± SD; range) | 37 ± 3.4 (29–41) | 37.9 ± 3.1 (27–40) | 37.4 ± 3.2 (27–41) |
| Weight (gram, mean ± SD; range) | 2964 ± 850 (860–4130) | 2861 ± 755 (1216–4045) | 2900 ± 792 (860–4130) |
| Head circumference (cm, mean ± SD; range) | 33.7 ± 3.3 (25.5–39.5) | 33.6 ± 2.7 (27.5–38) | 33.6 ± 2.9 (25.5–39.5) |
| Male gender | 6 (43%) | 16 (80%) | 22 (63%) |
CMV cytomegalovirus, SD standard deviation, PCR polymerase chain reaction, HIV human immunodeficiency virus, cm centimeter
aNumber positive/number tested or known
bInfants not HIV-infected