Table 4.
– Comparison of the children with Zika related microcephaly and children exposed without microcephaly, included in the analysis versus losses to follow-up, in relation to biological, clinical and radiological characteristics
| Biological, clinical and radiological characteristics | Microcephaly | Children born to PCR + mothers | |||
|---|---|---|---|---|---|
| Losses (n = 19) |
Included (n = 134) |
Losses* (n = 42) |
Included (n = 94) |
||
| Sex, N (%) | Female | 7 (42.1) | 24 (41.4) | 19 (45.2) | 47 (50.0) |
| Male | 11 (57.9) | 34 (58.6) | 23 (54,8) | 47 (50.0) | |
| Prematurity, Weeks of Gestational Age, N (%) | < 37 | 2 (20.0) | 20 (15,0) | 4 (22.2) | 6 (7.9) |
| ≥ 37 | 3 (60.0) | 109 (85,0) | 14 (77.8) | 70 (92.1) | |
| Missing | 14 | 5 | 24 | 18 | |
| Birthweight, g, N(%) | < 2500 | 2 (25.0) | 38 (29.9) | 4 (15.4) | 5 (7.1) |
| 2500–2999 | 3 (37.5) | 50 (39.4) | 8 (30.8) | 14 (20.0) | |
| ≥ 3000 | 3 (37.5) | 39 (30.7) | 14 (53.8) | 51 (72.9) | |
| Missing | 11 | 7 | 16 | 24 | |
| Mother’s age | Years | 25.5 (22–34) | 28 (21–31) | 25 (20–32) | |
| Image abnormalities | Yes | 2 (33.6) | 109 (89.3) | 3 (23.1) | 5 (11.6) |
| No | 4 (66.7) | 13 (10.7) | 13 (76.9) | 38 (88.4) | |
| Missing | 13 | 12 | 26 | 51 | |
*11 children born to PCR + mothers plus 31 children whose mothers were not tested PCR