Document Classification

Section Type: RESULTS

Text: The relevant pain score at resting, observed at the 8 h postoperatively was respectively 4. 2 + / - 0. 1 in group C, 3. 7 + / - 0. 2 in group B (P < 0. 05, compared with group C) and 3. 4 + / - 0. 2 in group A (P < 0. 05, compared with group C) ; and at the 24 h was 3. 1 + / - 0. 2 in group C, 2. 4 + / - 0. 2 in group B (P < 0. 05, compared with group C) and 2. 5 + / - 0. 1 in group A (P < 0. 05, compared with group C) respectively.