While the odds of improving ( versus placebo ) were greater for sertraline ( @ -LSB- @-@ @ -RSB- ; odds ratio -LSB- @ % CI -RSB- ) than R. rosea ( @ -LSB- @-@ @ -RSB- ) , more subjects on sertraline reported adverse events ( @ % ) than R. rosea ( @ % ) or placebo ( @ % ) ( p = @ ) .