After treatment , the scores of EDSS and Barthel index were ( 3.01 + / - 1.31 ) and ( 83.11 + / - 8.45 ) in the EA + AI group , which were better than those of ( 4.23 + / - 1.21 ) and ( 75.25 + / - 6.25 ) in the EA group ( both P < 0.01 ) .