| HFNC Group (n = 87) | Facemask Group (n = 89) | Odds Ratio (95%CI) | P value |
---|---|---|---|---|
Primary outcome Nil, no. (%) a | 83 (95.4) | 63 (70.8) | - | < 0.001 b |
Oxygen desaturation, no. (%) | 4 (4.6) | 26 (29.2) | 0.093 (0.028 to 0.313) | Â |
Moderate desaturation, no. (%) severe desaturation, no. (%) | 4 (4.6) 0 (0) | 18 (20.2) 8 (9.0) | 0.163 (0.048 to 0.547) - | 0.001 b 0.005 b |
Interventions | Â | Â | Â | Â |
Jaw thrust manoeuvre, no. (%) | 5 (5.7) | 43 (48.3) | 0.041 (0.012 to 0.134) | < 0.001 |
Increase the flow of oxygen, no. (%) | 0 (0) | 21 (23.6) | - | < 0.001 |
Mask ventilation, no. (%) | 0 (0) | 8 (9.0) | - | 0.012 |
Intubation, no. (%) | 0 (0) | 0 (0) | - | NS |
Number of bronchoscopy interruptions | 0 (0) | 8 (9.0) | - | 0.012 |