Timing of PPV initiation, duration of tracheal intubation procedure and initiation of chest compressions
| Outcome measure | Team | Procedure with PPE: mean (SD) | Procedure without PPE: mean (SD) | Comparison of with PPE vs without PPE | P value (consultant– nurse team vs resident–nurse team) | |
| Mean difference (95% CI) | P value | |||||
| PPV initiation (s) | Consultant– nurse | 26.2 (6.7) | 20.2 (3.5) | 6.0 (1.1 to 10.9) | 0.02 | 0.30 |
| Resident–nurse | 38.6 (16.8) | 27.7 (9.6) | 11.0 (1.9 to 20.0) | 0.02 | ||
| Duration of tracheal intubation procedure (s) | Consultant– nurse | 53.0 (24.4) | 31.0 (8.0) | 22.0 (7.0 to 36.9) | 0.008 | 0.12 |
| Resident–nurse | 36.0 (23.6) | 27.1 (17.8) | 9.1 (0.1 to 18.1) | 0.04 | ||
| Initiation of chest compressions (s) | Consultant– nurse | 168.8 (24.6) | 136.6 (21.2) | 32.3 (14.4 to 50.1) | 0.002 | 0.75 |
| Resident–nurse | 200.7 (55.7) | 173.3 (42.9) | 27.5 (0.1 to 54.9) | 0.04 | ||
PPE, personal protective equipment; PPV, positive pressure ventilation.