RESULTS	Significantly fewer infants were ventilated in the first 72 hours of life in the SLI group ( 79 of 148 [ 53 % ] ) than in the control group ( 93 of 143 [ 65 % ] ) ; unadjusted odds ratio : 0.62 [ 95 % confidence interval : 0.38-0 .99 ] ; P = .04 ) .\