 Some specific results from the BMJ article include : " The efficacy of oral oseltamivir against symptomatic laboratory confirmed influenza was 61 % ( risk ratio 0 @.@ 39 , 95 % confidence interval 0 @.@ 18 to 0 @.@ 85 ) at 75 mg daily ... The remaining evidence suggests oseltamivir did not reduce influenza related lower respiratory tract complications ( risk ratio 0 @.@ 55 , 95 % confidence interval 0 @.@ 22 to 1 @.@ 35 ) " . Notice especially the wide range for this second result . 
