Document Classification

Section Type: RESULTS

Text: The Oswestry Low Back Pain Disability Questionnaire score decreased significantly (P < 0. 05) from 72 (range 62 - 83) and 70 (range 57 - 82) to 8 (range 2 - 12) and 17 (range 9 - 27) at one month ; 6 (range 4 - 12) and 18 (range 14 - 22) at 3 months ; 12 (range 9 - 16) and 28 (range 22 - 34) at 6 months ; 17 (range 9 - 24) and 31 (range 21 - 35) at 9 months ; and 17 (range 8 - 22) and 33 (range 20 - 37) at 12 months in the groups, respectively.