Outcome data
| Weight n=69 | Vocal cord guide n=67 | p Value | |
| ETT T1–T2, n (%) | 30 (43) | 27 (40) | 0.731* |
| ETT above T1, n (%) | 3 (4) | 7 (10) | 0.204* |
| ETT below T2, n (%) | 36 (52) | 33 (49) | 0.864* |
| ETT adjusted after CXR, n (%) | 31 (45) | 32 (48) | 0.864* |
| Air leaks, n (%) | 7 (10) | 7 (10) | 0.998* |
| Oxygen therapy at 36 weeks, n (%) | 31 (45) | 15 (22) | 0.03* |
| Death before hospital discharge, n (%) | 10 (14) | 14 (21) | 0.373* |
*Compared with Fisher’s exact test.
CXR, chest X-ray; ETT, endotracheal tube,