It was found that the difference of tinnitus handicap inventory score within the TMS group ( before the treatment : mean , @ ; SD , @ ; after the treatment : mean , @ ; SD , @ ) was statistically significant ( P < @ ) and the difference of tinnitus handicap inventory score within the placebo group ( before the treatment : mean , @ ; SD , @ ; after the treatment : mean , @ ; SD , @ ) was significantly insignificant ( P = @ ) .