Variables | Categories | Outcome | Total (%) | |
---|---|---|---|---|
Event (N = 342) | Censored (N = 50) | |||
Starting time of feeding | Early (≤ 3 days) | 335 | 49 | 384 (97.96) |
Late (> 3 days) | 7 | 1 | 8 (2.04) | |
Type of feeding | Breast milk | 197 | 25 | 222 (56.63) |
Formula | 68 | 11 | 79 (20.15) | |
Mixed | 77 | 14 | 91 (23.22) | |
Feeding frequency per day | < 8 times | 33 | 19 | 52 (13.27) |
≥ 8 times | 309 | 31 | 340 (86.73) | |
Oxygen support | Yes | 276 | 49 | 325(82.91) |
No | 66 | 1 | 67(17.09) | |
Device used for oxygen (N = 325) | INO2 | 124 | 8 | 132(40.62) |
CPAP | 152 | 41 | 193(59.38) | |
Antibiotic use | Yes | 335 | 49 | 384 (97.96) |
No | 7 | 1 | 8 (2.04) | |
Duration of Antibiotic use (N = 384) | ≤ 7 days | 103 | 29 | 132 (34.38) |
> 7 days | 232 | 20 | 252 (65.62) |