Table 1 Frequency of MMT and ULBT grades and their contribution to difficult and easy intubation (in percentage)
Classes | Modified Mallampati Test (MMT) | Upper Lip Bite Test (ULBT) | ||||
|---|---|---|---|---|---|---|
Difficult intubation | Easy intubation | Total | Difficult intubation | Easy intubation | Total | |
n (%) | n (%) | |||||
Class I | 12 (7.1%) | 156 (92.9%) | 168 | 35 (14.0%) | 215 (86.0%) | 250 |
Class II | 14 (11.5%) | 108 (88.5%) | 122 | 26 (15.4%) | 143 (84.6%) | 169 |
Class III | 13 (22.0%) | 46 (78.0%) | 59 | 8 (25.8%) | 23 (74.2%) | 31 |
Class IV | 30 (29.7%) | 71 (70.3%) | 101 | |||
Total (out of 450) | 69 (15.3%) | 381 (84.7%) | 450 | 69 (15.3%) | 381 (84.7%) | 450 |