Responses were not different at @ weeks , but greater improvement was observed at @ weeks in the thalidomide group ( @ % response , @/@ -LSB- @ % -RSB- vs @/@ -LSB- @ % -RSB- ; RR , @ -LSB- @ % CI , @-@ @ -RSB- ; NNT = @ ; P = @ ; and @ % response , @/@ -LSB- @ % -RSB- vs @/@ -LSB- @ % -RSB- ; RR , @ -LSB- @ % CI , @-@ @ -RSB- ; NNT = @ ; P = @ ) .