tokens: In addition a greater proportion of women in the sweeping group had a cervical dilatation of 4 cm or more at the first vaginal examination in the labour ward ( 16 / 33 ( 49 % ) vs 5 / 32 ( 16 % ) ; OR 4 . 39 ; 95 % CI 1 . 56 to 12 . 32 ; P = 0 . 005 ) .