TABLE 1.
Variable | Mean or No. of Admissions |
---|---|
Gender | |
Female | 1295 (44)* |
Male | 1640 (56) |
Year of study | |
1 | 1466 (50) |
2 | 1,469 (50) |
Study site | |
NICU 1 | 1,694 (58) |
NICU 2 | 1,241 (42) |
Birth wt (g); range | 2,420; 375−5740 |
Ventilator (d); range | 2.9; 0−361 |
NC-CPAP (d); range | 4.3; 0−153 |
Length of stay (d); range | 17.6; 1−361 |
Numbers in parentheses, percent.