Document Classification

Section Type: RESULTS

Text: Both treatment groups had a similar mean baseline overall Knee injury and Osteoarthritis Outcome Score (56. 30 + / - 13. 61 and 59. 53 + / - 14. 95 for microfracture and characterized chondrocyte implantation, respectively), which increased in both groups to 70. 56 + / - 12. 39 and 72. 63 + / - 15. 55 at 6 months, 73. 26 + / - 14. 66 and 73. 10 + / - 16. 01 at 12 months, and 74. 73 + / - 17. 01 and 75. 04 + / - 14. 50 at 18 months, respectively.