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\ p None B a = c @ = Z ?N*8 X" 1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial General ` F Table_4 # ! - Clinical and obstetric characteristics n OR(95%CI)% p-valuea,b Birth position: supine, n (%) 1,428/1,728 0 . 4 7 ( 0 . 2 2 0 . 9 9 ) 0.047&