Baseline characteristics at trial entry of infants assigned to nasal continuous positive airway pressure (nCPAP) and the Infant Flow Driver (IFD)
| nCPAP (n=18) | IFD (n=18) | p Value | |
| Birth weight (g) | 1735 (473) | 1706 (459) | 0.85 |
| Gestational age (weeks) | 33 (1.4) | 32 (1.2) | 0.08 |
| Number VLBW | 7 (38%) | 6 (33%) | 0.97 |
| Number SGA | 5 (27%) | 4 (22%) | 0.96 |
| M/F | 7/11 | 11/7 | 0.32 |
| Age (hours) | 6 (5.2) | 7 (5.8) | 0.59 |
| RR (breaths/min) | 62.5 (8.57) | 63.6 (7.66) | 0.71 |
| Saturated O2 (%) | 94 (4) | 96 (2.1) | 0.07 |
| O2 requirement | 38.6 (9.2) | 41.2 (8.3) | 0.38 |
| Pco 2 (mm Hg) | 51 (11.08) | 57.4 (10.17) | 0.08 |
Unless otherwise indicated, values are mean (SD).
VLBW, Very low birth weight; SGA, small for gestational age; RR, respiratory rate.