TABLE 3

Characteristics of airway nodules on computed tomography

Size mm8.48±3.73
Density HU−36.5 (−106.25–5.25)
Location
 Central airway#134 (72.0)
 Peripheral airway52 (28.0)
Position
 Posterior101 (54.3)
 Anterior65 (34.9)
 Unclear20 (10.8)
Shape
 Oval95 (51.1)
 Lobulated35 (18.8)
 Round34 (18.3)
 Complex22 (11.8)
Initial diagnosis
 Secretion130 (69.9)
 Secretion or true lesion50 (26.9)
 True lesion6 (3.2)
  • Data are presented as mean±sd, median (interquartile range) or n (%). #: includes the trachea, right main bronchus and left main bronchus.