Newborns of women randomized to vitamin C ( n = @ ) , compared with those randomized to placebo ( n = @ ) , had improved pulmonary function as measured by TPTEF : TE ( @ vs @ -LSB- adjusted @ % CI for difference , @-@ @ -RSB- ; P = @ ) and Crs/kg ( @ vs @ mL/cm H@O/kg -LSB- @ % CI , @-@ @ -RSB- ; P = @ ) .