The incidence of IFD within day +90 , the primary endpoint , was not significantly different between the 2 arms for the mITT set ( 6.78 % in the long-term arm vs. 6.45 % in the short-term arm , P = 0.94 ) , or for the per-protocol set ( 6.90 % in the long-term arm vs. 6.67 % in the short-term arm , P = 0.96 ) .