Sun et al Pediatr ResA 2002*oxygen requiremnt at 36 weeks of postconceptional age 血氧饱和度与血氧饱和度与BPD的的RCT Infants 30 weeks who remained on supplemental O2 at 32 weeks pmaRates of adverse outcomesAskie, Henderson-Smart et al, NEJM 2003 91 94 %95 98 %p-valueOutcomen = 178n = 180Dev. abnormality24 %23 %NSDuration of oxygen therapy days 17.540.0 0.001SaturationSuppl O2 at 36 weeks pma 46 %64 % 0.001Home oxygen 17 % 30 % 0:04
