Comparison of Tracheal Diameter Measured by Chest X-Ray and by Computed Tomography

Table 1

Patient characteristics.

	Male (𝑛=55)	Female (𝑛=91)
Age (yr)	58±13 (25–80)	59±15 (16–84)
Height (cm)	164±7 (149–180)	150±7 (136–165)
Weight (kg)	65±11 (49–104)	50±8 (36–76)
BMI (kg m-2)	24.1±3.2 (18.2–35.1)	22.4±3.4 (15.8–33.0)
TD-CT (mm)	17.4±1.7 (13.1–20.6)	14.8±1.8 (10.5–20.9)
TD-XP (mm)	17.7±2.0 (12.5–22.8)	15.8±1.8 (12.1–21.2)

Values are presented as mean±SD or absolute number (range).
BMI = body mass index.
TD-CT = transverse width of trachea in CT image.
TD-XP = transverse width of trachea in chest X-ray image.