Baseline characteristics of study infants
| Method of estimating nasotracheal tube length | |||
|---|---|---|---|
| Body weight (n=36) | Foot length (n=36) | ||
| Unsuccessful nasal intubation or confirmatory radiograph unavailable | 11 | 6 | |
| Infants successfully randomised withx ray confirmation of ETT position | 25 | 30 | |
| Boys:girls | 14:11 | 11:19 | |
| Birth weight (g)2-150 | 1210 (990–1770) | 1467 (915–1790) | |
| Gestational age (weeks)2-150 | 30 (27–36) | 30.5 (27–32) | |
| Age at intubation (days)2-150 | 1 (0–1) | 0 (0–3) | |
| Weight at intubation (g)2-150 | 1210 (990–1770) | 1467 (915–1790) | |
| Number of infants <1000 g | 9 | 8 | |
↵2-150 Median (interquartile range).
ETT, Endotracheal tube.