Gestational age, wk | Infants, n | Infants with at least one EOC, n | Rate of at least one episode per thousand children | EOCa, n | Mean episode duration, d (SD) | Episode consisting of ED visit and hospitalization and lasting >1 db, n (%) | Episode with any hospitalization, n (%) |
---|---|---|---|---|---|---|---|
32–33 | 1,649 | 406 | 246.2 | 523 | 4.4 (5.5) | 37 (14.2) | 101 (19.3) |
34–36 | 7,969 | 1,622 | 203.5 | 2,003 | 3.9 (5.0) | 72 (7.8) | 254 (12.7) |
37 | 7,855 | 1,400 | 178.2 | 1,681 | 3.4 (4.6) | 44 (6.4) | 151 (9.0) |
38–40 | 86,708 | 13,701 | 158.0 | 16,172 | 3.3 (4.7) | 396 (6.3) | 1,288 (8.0) |
≥41 | 19,083 | 2,839 | 148.8 | 3,369 | 3.2 (4.7) | 70 (5.6) | 242 (7.2) |
Total | 123,264 | 19,968 | 162.0 | 23,748 | 3.2 (4.7) | 619 (6.6) | 2,036 (8.6) |