We recorded 278 post-supplementation deaths to 6 months of age in the vitamin A group ( mortality risk 245 in 1000 supplemented infants ) and 248 deaths in the placebo group ( mortality risk 218 per 1000 supplemented infants ) , relative risk ( RR ) 112 ( 95 % CI 095-133 ; p = 0183 ) and risk difference ( RD ) 266 ( 95 % CI -125 to 657 ; p = 018 ) .