Although there was more frequent vomiting in group 1 ; 7 of 42 ( 17 % ) than in group 2 ; 3 of 34 ( 9 % ) , P < 0.05 , patients were less likely to have hypotension during the procedure 1 of 42 ( 2.5 % ) versus 4 of 34 ( 12 % ) , P < 0.05 , respectively .
