Table 2. Frequency of Clinical Indicators of the Airways.
| Variables | No. (%) |
|---|---|
| Cormack test | |
| Grade 1 | 51 (25.5) |
| Grade 2 | 73 (36.5) |
| Grade 3 | 46 (23) |
| Grade 4 | 30 (15) |
| Mallampati test | |
| Grade 1 | 42 (21) |
| Grade 2 | 112 (56) |
| Grade 3 | 36 (18) |
| Grade 4 | 10 (5) |
| Thyromental distance (cm) | |
| < 6.5 | 97 (48.5) |
| > 6.5 | 103 (51.5) |
| Mouth opening test (cm) | |
| < 3 | 26 (13) |
| > 3 | 174 (87) |
| Upper lip biting test | |
| Grade 1 | 48 (24) |
| Grade 2 | 107 (53.5) |
| Grade 3 | 45 (22.5) |
| Palm print sign test | |
| Class 0 | 27 (13.5) |
| Class 1 | 42 (21) |
| Class 2 | 96 (48) |
| Class 3 | 35 (17.5) |
| Prayer sign test | |
| Positive | 146 (73) |
| Negative | 54 (27) |