NIPPV Group (n = 75) Standart-Care Group (n = 75) p
Successful intubation on the first attempt without physiological instability, n (%) 38 (50.7) 28 (37.3) 0.100
Successful intubation on the first attempt without physiological instability according to operator experience level
≤35 previous intubations, n / total n (%) 7 / 29 (24.1) 1 / 28 (3.6) 0.052
>35 previous intubations, n / total n (%) 31 / 46 (67.4) 27 / 47 (57.4) 0.322
Successful intubation without physiological instability throughout all intubation attempts, n (%) 48 (64) 32 (42.7) 0.009
Successful intubation without physiological instability throughout all intubation attempts according to operator experience level
≤35 previous intubations, n / total n (%) 13 / 29 (44.8) 3 / 28 (10.7) 0.004
>35 previous intubations, n / total n (%) 35 / 46 (76.1) 29 / 47 (61.7) 0.134
Successful intubation on the first attempt, n (%) 45 (60) 39 (52) 0.324
Lowest SpO2 during procedure (%) 85 (76-91) 76 (64-85) <0.001
Lowest heart rate during procedure (bpm) 118 (104-134) 105 (86-116) <0.001
SpO2 <90%, n (%) 50 (66.7) 63 (84) 0.014
SpO2 <80%, n (%) 24 (32) 43 (57.3) 0.002
Bradicardia (<100/bpm), n (%) 14 (18.7) 31 (41.3) 0.002
Severe desaturation, n (%) 23 (30.7) 37 (49.3) 0.020
Time to SpO2 <90% (s) 15 (10-21) 10 (10-20) 0.131
Time to severe desaturation (s) 20 (15-45) 20 (15-45) 0.994
Duration of severe desaturation (s) 10 (10-15) 20 (10-45) 0.043
Time to bradicardia (s) 20 (18-41) 20 (15-40) 0.960
Duration of bradicardia (s) 10 (8-14) 10 (10-17) 0.265
Duration of first intubation attempt (s) 15 (10-30) 15 (10-32) 0.690
Time to successful intubation (s) 30 (15-60) 35 (15-80) 0.370