Table 1. Clinical details of study population.
| Infants with respiratory distress syndrome | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Duration of ventilation (days) | Surfactant treatment | ||||||||
| Control | 1–3 | 4–8 | 9–1 | >16 | Yes | No | |||
| Subjects | n | 5 | 12 | 7 | 4 | 7 | 13 | 17 | |
| Males/females | n | 2/3 | 8/4 | 6/1 | 3/1 | 5/2 | 10/3 | 12/5 | |
| GA | weeks | 28.3±0.9 | 29.5±0.6 | 28.0±0.8 | 28.8±1.3 | 29.7±0.5 | 28.9±0.8 | 29.3±1.1 | |
| BW | g | 1002±107 | 1128±173 | 986±115 | 1054±132 | 1190±153 | 1025±129 | 1166±148 | |
| MAP | mmHg | 16.5±2.2 | 15.3±2.8 | 14.7±3.1 | 14.1±2.6 | 15.5±3.4 | 15.9±2.8 | ||
| Mean FiO2 | 0.8±0.2 | 0.7±0.1 | 0.6±0.2 | 0.6±0.1 | 0.7±0.1 | 0.7±0.1 | |||
| OI | 26.4±6.5 | 24.8±7.1 | 21.4±6.6 | 20.2±5.7 | 24.7±7.3 | 25.1±5.2 | |||
GA, gestational age; BW, birth weight; MAP, mean airway pressure; FiO2, inspiratory oxygen fraction; OI, oxygenation index. Data are expressed as mean±SD.