Patients administered vaginal misoprostol compared with buccal misoprostol had a shorter induction-to-abortion interval ( 2517 hours compared with 4029 hours , P = .001 ) and a higher abortion rate within both 24 hours ( 41 [ 63 % ] compared with 27 [ 42 % ] P = .014 ) and 48 hours ( 59 [ 91 % ] compared with 44 [ 68 % ] , P = .001 ) .