Table 1.
Demographics and medical morbidities in infants with and without tracheostomies
| Tracheostomy | No tracheostomy | P-value | |
|---|---|---|---|
| Neonatal and Maternal Demographics | |||
| Male | 169/304 (56) | 4031/8379 (48) | 0.010 |
| Gestational age, weeks | 25 [2] | 26 [2] | < 0.001 |
| Birth weight, grams | 717 [201] | 790 [223] | < 0.001 |
| Antenatal steroids | 244/303 (81) | 6984/8345 (84) | 0.144 |
| 1-minute Apgar 0-3 | 127/299 (42) | 3137/8296 (38) | 0.103 |
| 5-minute Apgar 0-3 | 36/300 (12) | 719/8298 (9) | 0.045 |
| Born outside study center | 26/304 (9) | 718/8379 (9) | 0.992 |
| Syndromes and/or major malformations | 18/304 (6) | 198/8379 (2) | < 0.001 |
| Race | |||
| Black | 130/303 (43) | 3644/8371 (44) | |
| White | 121/303 (40) | 3021/8371 (36) | 0.183 |
| Hispanic | 47/303 (16) | 1396/8371 (17) | |
| Other | 5/303 (2) | 310/8371 (4) | |
| Highest level of maternal education | |||
| Less than high school | 83/286 (29) | 2132/8061 (26) | 0.264 |
| High school | 92/286 (32) | 2409/8061 (30) | |
| College | 111/286 (39) | 3520/8061 (44) | |
| Neonatal Morbidities | |||
| Necrotizing enterocolitis | 41/303 (14) | 836/8378 (10) | 0.044 |
| Brain injury | 79/304 (26) | 1304/8360 (16) | < 0.001 |
| Severe retinopathy of prematurity | 133/301 (44) | 1974/8133 (24) | < 0.001 |
| Patent ductus arteriosus ligation | 95/304 (31) | 1377/8377 (16) | < 0.001 |
| Bronchopulmonary dysplasia – oxygen requirement at 36 weeks | 269/304 (88) | 4145/8349 (50) | < 0.001 |
| Sepsis – number of episodes | 1 [2] | 0 [1] | < 0.001 |
Data are displayed as n/N (%) or median [interquartile range].
Denominators may not be equal because of missing data.