Table 2 Findings of chest computed tomography in patients with idiopathic interstitial pneumonias.

From: Simple method for detecting idiopathic interstitial pneumonias by measuring vertical lung length on chest X-ray

Ā 

Exploratory cohort, nā€‰=ā€‰140

Validation cohort, nā€‰=ā€‰140

Total cohort, nā€‰=ā€‰280

Reticular pattern, grade 0/1/2/ā€‰ā‰„ā€‰3

0 (0)/94 (67.1)/32 (22.9)/14 (10.0)

0 (0)/92 (65.7)/42 (30.0)/6 (4.3)

0 (0)/186 (66.4)/74 (26.4)/20 (7.2)

Honeycombing, grade 0/1/2/ā€‰ā‰„ā€‰3

34 (24.3)/84 (60.0)/18 (12.9)/4 (2.8)

49 (35.0)/71 (50.7)/15 (10.7)/5 (3.6)

83 (29.6)/155 (55.4)/33 (11.8)/9 (3.3)

GGO, grade 0/1/2/ā€‰ā‰„ā€‰3

10 (7.1)/122 (87.1)/8 (5.7)/0 (0)

6 (4.3)/112 (80.0)/ 20 (14.3)/2 (1.4)

16 (5.7)/234 (83.6)/28 (10.0)/2 (0.7)

%LAA

10.7 (1.0ā€“48.5)

15.1 (1.0ā€“52.0)

12.8 (1.0ā€“52.0)

  1. Data presented as median (range) or number (%). The extent of chest CT findings were semi-quantitatively evaluated as follows: grade 0 (0%), grade 1 (<ā€‰25%), grade 2 (25ā€“50%), grade 3 (50ā€“75%), and grade 4 (>ā€‰75%).
  2. GGO ground-glass opacity, %LAA percentage low-attenuation area.
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