All patients N = 420 | IHCA N = 140 | Non-IHCA N = 280 | P-valuea | |
---|---|---|---|---|
Age in years, mean (SD) | 58 (16) | 61 (16) | 56 (15) | <.01 |
Male, n (%) | 293 (70) | 102 (73) | 191 (68) | .30 |
BMI kg.m−2, median (IQR) | 27 (23–33) | 28 (24–34) | 27 (23–33) | .43 |
Initial intubation technique, n (%) | <.01 | |||
Direct laryngoscopy | 371 (88) | 133 (95) | 238 (85) | |
Glidescope | 49 (12) | 7 (5) | 42 (15) | |
Initial glottic view, n (%) | .37 | |||
Grade 1 | 291 (70) | 91 (65) | 200 (71) | |
Grade 2 | 97 (23) | 35 (25) | 62 (22) | |
Grade 3 | 25 (6) | 10 (7) | 15 (5) | |
Grade 4 | 7 (2) | 4 (3) | 3 (1) | |
Operator Experience, n (%) | .06 | |||
Junior | 129 (31) | 35 (25) | 94 (34) | |
Senior | 291 (69) | 105 (75) | 186 (66) | |
First attempt success, n (%) | 336 (78) | 103 (74) | 223 (80) | .16 |
Complications, n (%) | ||||
Difficult intubationb | 25 (6) | 14 (10) | 11 (4) | .01 |
Aspiration | 7 (2) | 6 (4) | 1 (0.5) | <.01 |
Oesophageal intubation | 5 (1) | 0 | 5 (2) | .11 |