Table 1.
Demographics for 48 Subjects Included in Multivariate Regression Analysis*
| Variable | Intubation ≤7 d (n = 25) |
Intubation ≥8 d (n = 23) |
Total LR-OCT Cases (n = 48) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| n (%) | Mean | SD | n (%) | Mean | SD | n (%) | Mean | SD | |
| Intubation duration, d | 3.20 | 2.12 | 30.30 | 24.41 | 16.19 | 21.65 | |||
| GA, wk | 30.36 | 5.80 | |||||||
| Age, d | 7.16 | 10.10 | 41.78 | 37.36 | 23.75 | 31.80 | |||
| Weight, g | 2439.60 | 1216.46 | 2232.39 | 1257.65 | 2340.31 | 1227.58 | |||
| ETT size | |||||||||
| 2.5 | 5 (20) | 7 (30.4) | 12 (25) | ||||||
| 3.0 | 14 (56) | 10 (43.5) | 24 (50) | ||||||
| 3.5 | 6 (64) | 6 (26.1) | 12 (25) | ||||||
Definition of abbreviations: ETT = endotracheal tube; GA = gestational age; LR-OCT = long-range optical coherence tomography.
*
Forty-eight of 72 subjects had at least one analyzable data set. For subjects with at least two analyzable data sets, only the first analyzable data set was included in the regression models.