TABLE 2.
Variable | Pre‐COVID‐19, n = 647 | During COVID‐19, n = 136 | P‐value |
---|---|---|---|
Pre‐RSI checklist used | 550 (85.0%) | 116 (85.3%) | 0.93 |
Specialty and seniority (laryngoscopist) | |||
ED consultant | 97 (15.0%) | 45 (33.1%) | <0.001 |
ED registrar | 411 (63.5%) | 39 (28.7%) | |
Anaesthetic consultant | 49 (7.6%) | 28 (20.6%) | |
Anaesthetic registrar | 84 (13.0%) | 20 (14.7%) | |
ICU consultant | 0 (0.0%) | 3 (2.2%) | |
ICU registrar | 6 (0.9%) | 1 (0.7%) | |
Pre‐Ox final device used | |||
BVM + PEEP | 252 (38.9%) | 86 (63.2%) | <0.001 |
BVM | 309 (47.8%) | 38 (27.9%) | |
NRBM | 41 (6.3%) | 6 (4.4%) | |
NIV | 31 (4.8%) | 4 (2.9%) | |
SGA | 14 (2.2%) | 2 (1.5%) | |
Apnoeic O2 | |||
NIL | 159 (24.6%) | 82 (60.3%) | <0.001 |
BVM ventilation | 79 (12.2%) | 36 (26.5%) | |
NP | 354 (54.7%) | 13 (9.6%) | |
NIV | 11 (1.7%) | 3 (2.2%) | |
NP + BVM ventilation | 41 (6.3%) | 1 (0.7%) | |
SGA | 2 (0.3%) | 0 (0.0%) | |
Patient position | |||
Flat | 265 (41.0%) | 71 (52.2%) | 0.015 |
Pillow or occipital pad | 203 (31.4%) | 27 (19.9%) | |
Bed tilt head up | 90 (13.9%) | 24 (17.6%) | |
Ramped or head up | 89 (13.8%) | 14 (10.3%) | |
Primary sedative agent used | |||
Ketamine | 274 (42.3%) | 91 (66.9%) | <0.001 |
Propofol | 193 (29.8%) | 24 (17.6%) | |
Thiopentone | 112 (17.3%) | 9 (6.6%) | |
NIL | 25 (3.9%) | 7 (5.1%) | |
Other | 38 (5.9%) | 3 (2.2%) | |
Midazolam | 5 (0.8%) | 2 (1.5%) | |
Muscle relaxant used | |||
Rocuronium | 337 (52.1%) | 118 (86.8%) | <0.001 |
Suxamethonium | 295 (45.6%) | 12 (8.8%) | |
Other | 15 (2.3%) | 6 (4.4%) | |
Laryngoscope type | |||
CMAC | 523 (80.8%) | 128 (94.1%) | <0.001 |
Macintosh (direct) | 110 (17.0%) | 5 (4.8%) | |
CMAC + D‐Blade | 11 (1.7%) | 2 (1.5%) | |
Miller | 2 (0.3%) | 0 (0.0%) | |
Surgical airway | 1 (0.2%) | 1 (0.7%) | 0.32 |
Direct vision or video | |||
Video | 237 (36.6%) | 106 (77.9%) | <0.001 |
Direct vision | 410 (63.4%) | 30 (22.1%) | |
Adjunct | |||
Bougie | 494 (76.4%) | 105 (77.2%) | 0.026 |
Stylet | 35 (5.4%) | 1 (0.7%) | |
Neither | 118 (18.2%) | 30 (22.1%) | |
ETT placement confirmation | |||
Waveform capnography | 642 (99.2%) | 135 (99.3%) | 0.68 |
Clinical confirmation alone | 2 (0.3%) | 1 (0.7%) | |
Colour change capnometry | 3 (0.5%) | 0 (0.0%) |
BVM, bag–valve–mask; ETT, endotracheal tube; NIV, non‐invasive ventilation; NP, nasal prongs; NRBM, non‐rebreather mask; PEEP, positive end‐expiratory pressure; SGA, supraglottic airway.