Progestogen-treated neonates had a significantly lower composite neonatal morbidity ( @ % ) compared with placebo ( @ % ) ( odds ratio , OR @ ; @ % CI @-@ @ ; P = @ ) , with significantly lower odds for respiratory distress syndrome ( @ versus @ % ; OR @ ; @ % CI @-@ @ ; P = @ ) , retinopathy of prematurity ( @ versus @ % ; OR @ ; @ % CI @-@ @ ; P = @ ) , and culture-confirmed sepsis ( @ versus @ % ; OR @ ; @ % CI @-@ @ ; P = @ ) .