970 study patients had a mortality rate of 25% (243/970), the mortality from nosocomial infections was 33, 6% (46/137).
970 bệnh nhân nghiên cứu có tỷ lệ tử vong là 25% (24 3/9 70), tử vong do NKBV là 33,6% (4 6/1 37).