Table 3.
Comparison of modified Mallampati classes to cormack and lehane grades.
| Cormack And Lehane Grades |
Total | |||||
|---|---|---|---|---|---|---|
| grade I | grade II | grade III | grade IV | |||
| Modified Mallampati Classes | class 0 | 1(0.7%) | 0(0.0%) | 0(0.0%) | 0(0.0%) | 1(0.7%) |
| class I | 33(23.4%) | 29(20.6%) | 3(2.1%) | 0(0.0%) | 65(46.1%) | |
| class II | 20(14.2%) | 25(17.7%) | 2(1.4%) | 0(0.0%) | 47(33.3%) | |
| class III | 8(5.7%) | 3(2.1%) | 10(7.1%) | 2(1.4%) | 23(16.3%) | |
| class IV | 0(0.0%) | 0(0.0%) | 2(1.4%) | 3(2.1%) | 5(3.5%) | |
| Total | 62(44.0%) | 57(40.4%) | 17(12.1%) | 5(3.5%) | 141(100.0%) | |
The correlation between modified Mallampati classes and Cormack and Lehane grades were evaluated using spearman correlation coefficient. Spearman correlation coefficient (ρ) was 0.330 with p-value of 0.00 for (2-tailed) and 0.00 for (1-tailed) (Table 4).