Characteristics | SIMV (n = 23) | NAVA (n = 27) | P Value |
---|---|---|---|
Sex (Male/Female) | 13/10 | 12/15 | 0.395 |
GA at birth (weeks; mean ± SD) | 28.8 ± 3.1 | 29.5 ± 2.6 | 0.381 |
BW at birth (gram; mean ± SD) | 1295 ± 234 | 1313 ± 251 | 0.795 |
Age at surgery (days; mean ± SD) | 23.1 ± 7.3 | 24.9 ± 7.5 | 0.385 |
BW at surgery (kg; mean ± SD) | 1608 ± 290 | 1630 ± 322 | 0.802 |
LA/AO ratio (mean ± SD) | 1.66 ± 0.10 | 1.69 ± 0.08 | 0.158 |
PDA size (mm) | 2.7 ± 0.3 | 2.5 ± 0.2 | 0.104 |
Pre-op pulmonary hypertension, n (%) | 17 (74) | 21 (78) | 0.712 |
Prior ibuprofen treatment, n (%) | 21 (91) | 23 (85) | 0.674 |
Pre-op invasive ventilation, n (%) | 20 (87) | 25 (93) | 0.651 |
Pre-op oxygen index (mean ± SD) | 9.3 ± 4.0 | 8.9 ± 3.7 | 0.712 |
Pre-op PIP (cmH2O; mean ± SD) | 20.8 ± 3.6 | 19.5 ± 3.3 | 0.202 |
Pre-op PEEP (cmH2O; mean ± SD) | 4.8 ± 1.0 | 4.6 ± 1.1 | 0.513 |
Pre-op MAP (cmH2O; mean ± SD) | 11.5 ± 3.0 | 10.7 ± 2.5 | 0.277 |
Pre-op FiO2, mean ± SD | 0.35 ± 0.11 | 0.38 ± 0.13 | 0.369 |
Pre-op NRDS, n (%) | 19 (83) | 24 (89) | 0.689 |
Pre-op IVH, n (%) | 8 (35) | 9 (33) | 1.000 |