Document Classification

Section Type: RESULTS

Text: In the treatment and control groups before treatment and at 0, 6, 12, and 24 months after treatment, the VAS scores were : 6. 5 + / - 1. 9 and 6. 4 + / - 1. 6 ; 4. 6 + / - 1. 3 and 4. 6 + / - 1. 7 ; 4. 8 + / - 1. 3 and 4. 8 + / - 1. 2 ; 4. 6 + / - 1. 2 and 6. 6 + / - 1. 6 ; and 6. 5 + / - 1. 6 and 6. 5 + / - 1. 3, respectively.