Table 1.
Descriptive data of the patients and the airway assessment results
| Variable | Easy Laryngoscopy (n = 167) | Difficult Laryngoscopy (n = 44) | p-value |
|---|---|---|---|
| Sex | |||
| Male | 65 (38.92) | 27 (61.36) | 0.008 |
| Female | 102 (61.08) | 17 (38.64) | |
| Age (y) | 51.55 ± 14.60 | 54.48 ± 12.29 | 0.236 |
| Weight (Kg) | 63.23 ± 9.89 | 65.91 ± 12.29 | 0.131 |
| Height (cm) | 162.38 ± 7.55 | 164.86 ± 8.33 | 0.059 |
| BMI (kg.cm2) | 23.94 ± 3.16 | 24.21 ± 3.48 | 0.629 |
| TMD < 4 cm | 36 (21.56) | 12 (27.27) | 0.421 |
| CM < 80° | 38 (22.75) | 6 (13.64) | 0.981 |
| IID < 4 cm | 40 (23.95) | 4 (9.09) | 0.830 |
| MMT ≥ III | 11 (6.59) | 33 (75.00) | < 0.001 |
| DSE (cm) | 2.05 ± 0.31 | 2.59 ± 0.41 | < 0.001 |
| DTE (cm) | 0.99 ± 0.32 | 1.30 ± 0.39 | < 0.001 |
| DST (cm) | 1.07 ± 0.28 | 1.28 ± 0.30 | < 0.001 |
The results for continuous variables are represented by the mean ± standard deviation (SD). The categorical variables are in the form of numbers (percentages). Abbreviations: BMI Body mass index, MMT Modified mallampatia test, TMD Thyromental distance, CM Cervical mobility, IID Inter-incisor distance, DSE The distance between skin and epiglottis, DST The distance between skin and thyroid cartilage, DTE The distance between thyroid cartilage and epiglottis