Age group | Preterm/term status a | |||
---|---|---|---|---|
< 1 year old N median = 31,570 | ≥1 year old N median = 14,418 | Preterm N median = 3616 | Term N median = 31,091 | |
Number of males | ||||
Median | 18,296 | 8838 | 2120 | 18,332 |
Range | 15,629-19,728 | 7681-9554 | 1706-2257 | 12,334 - 20,051 |
Comorbidities | ||||
Congenital heart defect | ||||
Median | 945 | 513 | 573 | 756 |
Range | 749–1020 | 173–595 | 359–635 | 421–868 |
Bronchopulmonary dysplasia | ||||
Median | 304 | 243 | 495 | 31 |
Range | 251–340 | 140–275 | 330–559 | 21–40 |
Down syndrome | ||||
Median | 106 | 61 | 18 | 122 |
Range | 69–118 | 35–86 | 13–26 | 62–149 |
Cystic fibrosis with pulmonary manifestations | ||||
Median | 12 | 8 | 2 | 15 |
Range | 6–19 | 5–12 | 0–4 | 8–22 |