Document Classification

Section Type: RESULTS

Text: Mean postoperative pain measured by the'Visual Analogue Scale'were as follows : 2. 3 + / -1 at 1 h, 2. 2 + / -0. 8 at 12 h, 1. 8 + / -0. 7 at 24 h, and 1. 6 + / -0. 6 at 48 h for the IINB group ; and 3. 6 + / -1. 4 at 1 h, 3. 4 + / -2 at 12 h, 2. 9 + / -1. 2 at 24 h, and 2. 0 + / -1 at 48 h for the non-IINB group.