Table 2 Clinical predictors of difficult airway
Combination LMA/tube | Subgroup 1a) | Subgroup 1b) | Subgroup 2a) | Subgroup 2b) | Total |
|---|---|---|---|---|---|
Aura-i/Rüsch | Aura-i/ETT | Fastrach/Rüsch | Fastrach/ETT | ||
Mallampati I/II/III | 7/9/3 | 11/8/2 | 13/7/1 | 10/5/4 | 41/29/10 |
(37%/47%/16%) | (52%/38%/10%) | (62%/33%/5%) | (53%/26%/21%) | (51%/36%/13%) | |
Interincisor distance [cm] | 4.3 ± 0.7 | 4.2 ± 0.5 | 4.4 ± 0.7 | 4.3 ± 0.7 | 4.3 ± 0.6 |
[3.5–6.2] | [3.2–5.5] | [3.2–6.0] | [3.5–5.8] | [3.2–6.2] | |
Thyromental dist. (Patil) [cm] | 7.8 ± 1.9 | 7.5 ± 1.1 | 8.2 ± 1.1 | 7.6 ± 1.5 | 7.8 ± 1.4 |
[4–11] | [4.8–10] | [5.5–10] | [4.5–11] | [4–11] |