Document Classification

Section Type: RESULTS

Text: Statistical analysis has shown an increase of mean values for the 12-item health survey (SF-12) from 22. 33 + / -4. 66 to 36. 33 + / -3. 66 (t = 9. 12 p < 0. 001), in group A and from 23. 66 + / -3. 66 to 30. 33 + / -4. 66 (t = 3. 15 p < 0. 001) in group B. Mean values of intensity of pain in group A have been reduced from 82 + / -6. 50 to 46 + / -5. 50, (t = 7. 85, p < 0. 001) and from 80 + / -5. 50 to 62 + / -6. 50 in group B (t = 5. 65 ; p < 0. 001).