Table 1 Patient characteristics and airway assessments
Group R (n = 131) | 95%CI | Group M (n = 131) | 95%CI | p value | |
|---|---|---|---|---|---|
Age;year | 54.60 ± 11.16 | 52.67–56.53 | 56.87 ± 12.60 | 54.69–59.05 | 0.124 |
Gender; %(n) | 0.388 | ||||
Male; %(n) | 53.4(70) | 44.8–62.1 | 48.1(63) | 39.4–56.8 | |
Female; %(n) | 46.6(61) | 37.9–55.2 | 51.9(68) | 43.2–60.6 | |
Height;cm | 165.67 ± 7.11 | 164.45–166.88 | 166.27 ± 8.52 | 164.81–167.73 | 0.537 |
Weight;kg | 61.46 ± 7.81 | 60.11–62.81 | 60.00 ± 8.22 | 58.58–61.42 | 0.142 |
ASA physical status; %(n) | 0.455 | ||||
1 | 21.4(28) | 14.3–28.5 | 24.4(32) | 17.0–31.9 | |
2 | 74.0(97) | 66.4–81.7 | 72.5(95) | 64.8–80.3 | |
3 | 4.6(6) | 1.0–8.2 | 3.1(4) | 0.1–6.0 | |
Body mass index; kg.m−2 | 22.57 ± 3.81 | 21.91–23.23 | 21.77 ± 4.01 | 21.08–22.46 | 0.119 |
Sternomental distance;cm | 16.52 ± 0.91 | 16.36–16.68 | 16.41 ± 1.05 | 16.23–16.59 | 0.367 |
Interincisor distance;cm | 3.95 ± 0.56 | 3.85–4.05 | 4.05 ± 0.60 | 3.95–4.15 | 0.164 |
Thyromental distance;cm | 7.58 ± 0.61 | 7.48–7.69 | 7.62 ± 0.58 | 7.52–7.72 | 0.587 |
Mallampati score;%(n) | 0.777 | ||||
1 | 55.7(73) | 47.1–64.3 | 57.3(75) | 48.7–65.8 | |
2 | 38.2(50) | 29.7–46.6 | 37.4(49) | 29.0–45.8 | |
3 | 6.1(8) | 2.0–10.3 | 5.3(7) | 1.4–9.2 | |