Document Classification

Section Type: RESULTS

Text: There were differences in : (i) motor onset (Levels 1 and 2), when ropivacaine 1. 0 % was compared with ropivacaine 0. 75 % and 0. 5 % (P < 0. 05) ; (ii) in sensory duration at all levels except T6 when ropivacaine was compared with ropivacaine 0. 5 % (P < 0. 05) ; (iii) differences in sensory duration at T12 and S1 when ropivacaine 1. 0 % was compared with bupivacaine 0. 5 % (P < 0. 05) ; (iv) differences in motor duration at all levels when ropivacaine 1. 0 % was compared with ropivacaine 0. 5 % (P < 0. 05).