| Mouthpiece group (n = 180) | Airway group (n = 180) | P-value |
---|---|---|---|
Age (year) | 69.87 ± 3.94 | 69.19 ± 3.73 | 0.92 |
Sex (male/female) | 97/83 | 92/88 | 0.598 |
Weight (kg) | 62.69 ± 9.41 | 61.87 ± 10.22 | 0.427 |
Height (cm) | 164.81 ± 7.36 | 164.42 ± 7.67 | 0.629 |
BMI (kg/m2) | 23.05 ± 2.92 | 22.81 ± 2.84 | 0.416 |
Smoking history (%) | 16 (8.9) | 19 (10.6) | 0.594 |
Alcohol history (%) | 11 (6.1) | 14 (7.8) | 0.534 |
Allergy (%) | 0 (0.0) | 0 (0.0) | NA |
Chronic obstructive pulmonary disease (%) | 0 (0.0) | 1 (0.6) | 0.317 |
Diabetes (%) | 3 (1.7) | 4 (2.2) | 0.703 |
Hypertension (%) | 28 (15.6) | 27 (15.0) | 0.884 |
Arterial coronary disease (%) | 2 (1.1) | 4 (2.2) | 0.410 |
Cerebrovascular disease (%) | 3 (1.7) | 3 (1.7) | NA |
Modified Mallampati Score (I/II/III) | 78/98/4 | 85/93/2 | 0.577 |
ASA risk score (I/II) | 57/123 | 66/114 | 0.317 |