Table 1 Characteristics of infants in evaluation of critical congenital heart defects (CCHD) screening in the neonatal intensive care unit, February to September 2015 (N = 4556)
Total, N=4556 | Complete screensa, N=4120 | Stage 1b, N=3423 | |||
|---|---|---|---|---|---|
On O2, n=579 | Not on O2, n=2844 | Stage 2c, N=833 | |||
Length of stay (hours) | % | % | % | % | % |
Short stay (<144) | 43.9 | 43.8 | 13.3 | 56.1 | 18.6 |
Long stay (⩾144) | 56.1 | 56.2 | 86.7 | 43.9 | 81.4 |
Prenatal CHD diagnosis and/or echo before screen | 9.0 | 8.5 | 15.9 | 5.5 | 13.7 |
Prenatal CHD diagnosis only | 0.5 | 0.5 | 0.2 | 0.6 | 0.1 |
Echo before screen only | 7.2 | 6.7 | 13.5 | 3.7 | 12.7 |
Prenatal CHD diagnosis and echo before screen | 1.3 | 1.3 | 2.2 | 1.2 | 0.8 |
Neither prenatal CHD diagnosis nor echo before screen | 91.0 | 91.5 | 84.1 | 94.5 | 86.3 |
Gestational age (weeks) | |||||
<28 | 4.3 | 4.2 | 14.7 | 0.7 | 9.7 |
28–31 | 8.9 | 9.0 | 20.9 | 4.3 | 21.5 |
32–36 | 38.2 | 38.8 | 35.4 | 39.5 | 39.1 |
⩾37 | 48.6 | 48.1 | 29.0 | 55.4 | 29.7 |
Median | 36 | 36 | 34 | 37 | 34.0 |
Range | 23–42 | 23–42 | 23–41 | 23–42 | 23–42 |
Birth weight (grams) | |||||
<1000 | 4.3 | 4.1 | 13.6 | 0.9 | 9.5 |
1000–1499 | 7.1 | 7.2 | 17.6 | 3.7 | 16.1 |
1500–2499 | 32.0 | 32.4 | 30.7 | 31.9 | 33.6 |
⩾2500 | 56.7 | 56.3 | 38.0 | 63.4 | 40.8 |
Median | 2700 | 2690 | 2090 | 2891 | 2180 |
Range | 325–6100 | 325–6100 | 325–6100 | 510–5639 | 410–6100 |
