Table 1.
Baseline Demographics
| Characteristic | In Utero–Exposed Newborns (n = 43) | Preterm Infants (n = 80) |
|---|---|---|
| Age at VARIZIG administration, d | ||
| Mean (SD) | 2.2 (2.21) | 36.4 (34.11)a |
| Median | 1.0 | 27.5 |
| Range | 0–9 | 1–180 |
| Sex, No. (%) | ||
| Female | 23 (53) | 47 (59) |
| Male | 20 (47) | 33 (41) |
| Race, No. (%) | ||
| White | 11 (26) | 44 (55) |
| Hispanic or Latino | 18 (42) | 14 (18) |
| Black or African American | 4 (9) | 15 (19) |
| Asian | 5 (12) | 2 (3) |
| Not reported/declined/other | 5 (12) | 5 (6) |
| Weight, kg | ||
| Mean (SD) | 3.2 (0.82) | 1.9 (0.93) |
| Median | 3.3 | 1.8 |
| Range | 1.0–4.7 | 0.5–5.7 |
Abbreviations: SD, standard deviation; VARIZIG, varicella zoster immune globulin, human.
aForty-one preterm infants (51%) were aged <1 month, 15 (19%) were 1 to <2 months old, 13 (16%) were 2 to <3 months old, 9 (11%) were 3 to <4 months old, and 2 (3%) were 4–6 months old.