The incidence of AAU and episcleritis was 1.1 % ( 95 % CI 0.5-2 .1 ) and 0.1 % ( 95 % CI 0.0-0 .7 ) , respectively , in the zoledronate group and 0 % for both conditions in the placebo group ( 95 % CI 0.0-0 .8 ) .