Adverse event | COT n=30 (%) | HFOT n=30 (%) | NIV n=30 (%) | P value |
Agitation | 3 (9.9) | 5 (16.8) | 0 (0) | 0.07 |
Bronchospasm | 3 (9.9) | 5 (16.8) | 0 (0) | 0.07 |
Systolic BP>180 | 3 (9.9) | 1 (3.3) | 1 (3.3) | 0.43 |
Transient hypotension | 4 (13.2) | 3 (9.9) | 1 (3.3) | 0.38 |
Sinus tachycardia | 18 (60) | 10 (33.3) | 17 (56.7) | 0.08 |
PVCs | 8 (26.7) | 7 (23.4) | 5 (50.4) | 0.64 |
PACs | 5 (50.4) | 3 (9.9) | 1 (3.3) | 0.23 |
Fever | 3 (9.9) | 2 (6.6) | 5 (16.8) | 0.46 |
Haemoptysis | 4 (13.2) | 2 (6.6) | 8 (26.7) | 0.94 |
Chest pain | 4 (13.2) | 1 (3.3) | 5 (16.8) | 0.23 |
Haemoptysis requiring observation | 1 (3.3) | 0 (0) | 2 (6.6) | 0.36 |
BP, blood pressure; COT, conventional oxygen therapy; HFOT, high flow oxygen therapy; NIV, non-invasive ventilation; PAC, premature atrial contraction;PVC, premature ventricular contraction.