| HFNC Group (n = 87) | Facemask Group (n = 89) | P value |
---|---|---|---|
Age (yrs) | 64.2 ± 9.3 | 63.6 ± 7.7 | 0.661 |
Sex Male, no. (%) Female, no. (%) | 74 (85.1) 13 (14.9) | 73 (82.0) 16 (18.0) | 0.587 |
Weight (kg) | 64.0 ± 9.9 | 65. 6 ± 9.1 | 0.290 |
BMI (kg/m2) | 23.6 ± 2.8 | 23.8 ± 2.9 | 0.508 |
ASA physical status a I/II, no. (%) III, no. (%) | 84 (96.6) 3 (3.4) | 88 (98.9) 1 (1.1) | 0.597 |
Smoking Status History (pack years) | 20 (0 to 40) | 24 (0 to 40) | 0.759 |
Current Smoker, no. (%) Past Smoker, no. (%) Never Smoked, no. (%) | 20 (23.0) 39 (44.8) 28 (32.2) | 30 (33.7) 29 (32.6) 30 (33.7) | 0.172 |
Comorbidity Hypertension, no. (%) Diabetes, no. (%) Heart disease, no. (%) Asthma, no. (%) COPD, no. (%) Lung cancer, no. (%) Oesophagus Cancer, no. (%) | 32 (36.8) 5 (5.7) 2 (2.3) 0 (0) 2 (2.3) 17 (19.5) 4 (4.6) | 47 (52.8) 2 (2.2) 3 (3.3) 0 (0) 1 (1.1) 15 (16.9) 0 (0) | 0.033 0.422 1.000 NS 0.984 0.644 0.123 |
STOP-Bang Questionnaire Total scores | 3 (3 to 4) | 3 (3 to 4) | 0.282 |
Snoring, no. (%) Neck circumference > 40 cm, no. (%) | 68 (78.2) 12 (13.8) | 71 (79.8) 12 (13.5) | 0.793 0.952 |
Modified Mallampati score b, I/II/III/IV | 44//34/9/0 | 46/31/11/1 | 0.855 |
Mouth opening c, 1/2/3 | 0/1/86 | 0/0/89 | 0.494 |
Thyromental Distance d, I/II/III | 77/8/2 | 77/7/5 | 0.599 |