Children exposed to repeat antenatal betamethasone and those exposed to placebo had similar total fat mass ( geometric mean ratio @ , @ % confidence interval -LSB- CI -RSB- @ to @ ) , minimal model insulin sensitivity ( geometric mean ratio @ , @ % CI @ to @ ) , @-hour ambulatory blood pressure ( mean difference systolic @ mm Hg , @ % CI -@ to @ ; diastolic @ mm Hg , @ % CI -@ to @ ) , and estimated glomerular filtration rate ( mean difference @ mL/min/@ @ m ( @ ) , @ % CI -@ to @ ) .