These differences were somewhat greater in children with TSH @ mIU/L ( HC : T@ , @ vs placebo , @ cm ; P = @ ; height : T@ , @ vs placebo , @ cm ; P = @ ) , but were not found in children with TSH < @ mIU/L ( HC : T@ , @ vs placebo , @ cm ; P = @ ; height : T@ , @ vs placebo , @ cm ; P = @ ) .