the only significant difference was in prolonged o2 requirements ( greater than 2 weeks ) ( 13 of 14 patients vs 7 of 14 control infants ( p less than 0.025 ) and prolonged assisted ventilation requirements ( 21 +/- 15 for rlf vs 6 +/- 10 days for control infants , p less than 0.05 ) .
C0030054
o2
C0035344
rlf