Inpatient mortality

 Current cohort Late failure: 14 / 932000 cohort (1) Late failure: 31 / 155P (Fisher-exact)
NIV5 / 14 (36%)11 / 12 (92%)0.0053
Intubation010 / 19 (53%)N/A
Overall5 / 14 (36%)21 / 31 (68%)0.057