Table 3 Gestational week at delivery according to the volume of the obstetric/neonatal unit
N. of deliveries per year | Gestational week at delivery | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
<22 | 22-29 | 30-33 | 34-36 | ≥37 | Total | ||||||
N | %* | N | %* | N | %* | N | %* | N | %* | N | |
<500 | 0 | -- | 3 | 0.1 | 6 | 0.2 | 98 | 3.7 | 2576 | 96.0 | 2683 |
500-799 | 0 | -- | 3 | 0.0 | 18 | 0.1 | 527 | 4.2 | 12112 | 95.7 | 12660 |
800-999 | 0 | -- | 13 | 0.1 | 21 | 0.2 | 463 | 4.6 | 9536 | 95.0 | 10033 |
1000-2499 | 13 | 0.0 | 226 | 0.6 | 614 | 1.6 | 2301 | 6.0 | 35268 | 91.8 | 38422 |
≥2500 | 13 | 0.0 | 301 | 1.0 | 665 | 2.3 | 1900 | 6.5 | 26274 | 90.1 | 29153 |
Totale | 26 | 0.0 | 546 | 0.6 | 1324 | 1.4 | 5289 | 5.7 | 85766 | 92.3 | 92951 |