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Table 1 The predictors of difficult laryngoscopy in the dataset

From: Development and validation of a difficult laryngoscopy prediction model using machine learning of neck circumference and thyromental height

  No difficult laryngoscopy
(n = 1467)
Difficult laryngoscopy
(n = 210)
P
Age, median (IQR), years 57 (43, 66) 61 (49, 68) 0.004
Male, number (%) 793 (54.1) 132 (62.9) 0.016
Height, median (IQR), cm 162.7 (156.1, 169.7) 164.9 (157.0, 170.1) 0.162
Weight, median (IQR), kg 66.5 (57.8, 75.0) 66.8 (59.0, 78.8) 0.264
Body mass index, median (IQR), kg/m2 24.9 (22.8, 27.4) 25.1 (23.2, 27.3) 0.425
Thyromental distance, median (IQR), cm 5.5 (4.7, 6.4) 5.4 (4.4, 6.2) 0.032
Neck circumference, median (IQR), cm 36.8 (34.1, 39.2) 37.8 (35.4, 40.0) 0.001
  1. IQR interquartile range