Rates of elevated levels of anti-transglutaminase type 2 and antigliadin antibodies were also similar in the two study groups ( 7.0 % [ 95 % CI , 4.7 to 9.4 ] in the gluten group and 5.7 % [ 95 % CI , 3.5 to 7.9 ] in the placebo group ; hazard ratio , 1.14 ; 95 % CI , 0.76 to 1.73 ) .