Document Classification

Section Type: RESULTS

Text: In the group A, operative time and volume of blood loss were (87. 6 + / - 25. 5) min and (105. 7 + / - 27. 2) ml, respectively ; VAS score of low back pain and leg pain, ODI score decreased respectively from preoperative 7. 2 + / - 1. 4, 7. 9 + / - 1. 1, 42. 2 + / - 11. 8 to 3. 2 + / - 0. 6, 3. 0 + / - 0. 7, 15. 6 + / - 2. 3 at one month after operation ; the fusion rate was 96. 0 % (48/50) and the complication rate was 4. 00 % (2/50).