TABLE 2.
Mortality among cases with congenital anomalies according to selected maternal, pregnancy and foetal characteristics (n = 7313); Eurocat Northern Netherlands, 2001–2017
| Total births | Total mortality (early foetal and perinatal mortality combined) | Early foetal mortality <24 weeks | Perinatal mortality ≥24weeks‒7 days after birth | |
|---|---|---|---|---|
| N | n (%) | n (%) | n (%) | |
| Maternal age | ||||
| 15–35 | 5992 | 921 (15.4) | 677 (11.3) | 244 (4.1) |
| ≥36 | 1264 | 359 (28.4) | 289 (22.9) | 70 (5.5) |
| Missing | 57 | |||
| Ethnicity | ||||
| Western | 5753 | 1008 (17.5) | 755 (13.1) | 253 (4.4) |
| Non‐Western | 302 | 66 (21.9) | 46 (15.2) | 20 (6.6) |
| Missing | 1258 | |||
| Educational Level | ||||
| Low | 711 | 88 (12.4) | 54 (7.6) | 34 (4.8) |
| Middle | 2798 | 464 (16.6) | 342 (12.2) | 122 (4.4) |
| High | 2394 | 487 (20.3) | 388 (16.2) | 99 (4.1) |
| Missing | 1410 | |||
| Sex of child | ||||
| Male | 4312 | 648 (15.0) | 472 (10.9) | 176 (4.1) |
| Female | 2987 | 618 (20.7) | 482 (16.1) | 136 (4.6) |
| Unknown | 14 | |||
| Plurality | ||||
| Singleton | 6504 | 1195 (18.4) | 918 (14.1) | 277 (4.3) |
| Multiple births | 340 | 63 (18.5) | 30 (8.8) | 33 (9.7) |
| Missing | 469 | |||
| Gravidity | ||||
| 1 | 2361 | 399 (16.9) | 298 (12.6) | 101 (4.3) |
| >=2 | 4404 | 849 (19.3) | 644 (14.6) | 205 (4.7) |
| Missing | 548 | |||
The Grey Shade terms definitions are Total foetal mortality: Combined early and late foetal mortality, Early foetal mortality: Foetal death (spontaneous and elective) and stillbirths before 24 completed weeks of gestation, Perinatal mortality: Combined late foetal and early neonatal mortality (at or after 24 completed weeks of gestation till day 7 after birth).