passages.id: split_1_test_396_passage
passages.type: progene_text
passages.text: Children from the treatment group scored significantly lower on the Bayley Mental Developmental Index ( mean MDI +/- 1 SD ) than children whose mothers were randomized to the placebo group [ 104 +/- 21 ( n = 59 ) vs. 113 +/- 22 ( n = 62 ) , p = 0.023 ] .