Table 2.
Airway test parameters
| Females (n = 92) |
Males (n = 68) |
All (n = 160) |
|
|---|---|---|---|
| MMT-TP | |||
| I and II | 79 (85.9%) | 59 (86.8%) | 138 (86.25%) |
| III and IV | 13 (14.1%) | 9 (13.2%) | 22 (13.75%) |
| MMT-NTP | |||
| I and II | 68 (73.9%) | 51 (75.0%) | 119 (74.4%) |
| III and IV | 24 (26.1%) | 17 (25.0%) | 41 (25.6%) |
| Mandibular protrusion test | |||
| Grades A and B | 81 (88.0%) | 65 (95.6%) | 146 (91.25%) |
| Grade C | 11 (12.0%) | 3 (4.4%) | 14 (8.75%) |
| Inter-incisor gap | 4.57 ± 0.78 | 4.64 ± 0.67 | 4.60 ± 0.73 |
| Thyromental distance, cm | 6.98 ± 1.55 | 7.27 ± 1.39 | 7.1 ± 1.49 |
| Sternomental distance, cm | 14.32 ± 2.72 | 15.01 ± 2.82 | 14.61 ± 2.77 |
Data are given as mean ± standard deviation, or numbers (percentages). MMT-TP, modified Mallampati test with tongue protrusion; MMT-NTP, modified Mallampati test without tongue protrusion. Grade A: lower incisors can be brought anterior to the upper incisors. Grade B: lower incisors can only be protruded edge-to-edge with upper incisors. Grade C: lower incisors cannot be protruded edge-to-edge with upper incisors