Table 1 Characteristics of pregnant people with any laboratory evidence of Zika virus infection and a subset with nucleic acid amplification test (NAAT)-confirmed Zika virus infection, U.S. Zika Pregnancy and Infant Registry, U.S. States and DC.
From: Outcomes up to age 36 months after congenital Zika virus infection—U.S. states
Total n (%) N = 2377 | NAAT-confirmed n (%) N = 423 | |
|---|---|---|
Maternal age (years) | 2347 | 421 |
Median (IQR) | 27 (22–32) | 27 (22–32) |
<20 | 307 (13.1) | 55 (13.1) |
20–24 | 507 (21.6) | 91 (21.6) |
25–29 | 620 (26.4) | 113 (26.8) |
30–34 | 518 (22.1) | 92 (21.9) |
35–39 | 317 (13.5) | 54 (12.8) |
≥40 | 78 (3.3) | 16 (3.8) |
Unknown/Not Reported | 30 (1.3) | 2 (0.5) |
Delivery type | 1737 | 272 |
Vaginal | 1141 (65.7) | 177 (65.1) |
Cesarean section | 596 (34.3) | 95 (34.9) |
Unknown/Not Reported | 641 (27.0) | 151 (35.7) |
Plurality | 2248 | 371 |
Singleton | 2212 (98.4) | 366 (98.7) |
Multiple | 36 (1.6) | 5 (1.3) |
Unknown (lost to follow-up) | 0 | 0 |
Trimester with first evidence of Zika exposurea | 2106 | 391 |
First (<14 weeks) | 819 (38.9) | 162 (41.4) |
Second (14–27 weeks) | 800 (38.0) | 171 (43.7) |
Third (≥28 weeks) | 487 (23.1) | 58 (14.8) |
Unknown/Not reported | 271 (11.4) | 32 (7.6) |
Symptoms reportedb | 653 | 235 |
Rash | 526 (80.6) | 213 (90.6) |
Fever | 285 (43.6) | 92 (39.1) |
Joint pain | 289 (44.3) | 105 (44.7) |
Conjunctivitis | 172 (26.3) | 69 (29.4) |
Headache | 27 (4.1) | 10 (4.3) |
Myalgia | 36 (5.5) | 8 (3.4) |
Otherc | 10 (1.5) | 5(2.2) |
