13 % ( 32/257 ) of individuals with bacteriologically confirmed TB ( smear , culture , or Xpert ) did not initiate treatment by 3 mo after presentation in the Xpert arm , compared to 25 % ( 41/167 ) in the routine arm ( ITT analysis , risk ratio 0.51 , 95 % CI 0.33-0 .77 , p = 0.0052 ) .