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Table 1 Coefficient of variation

From: Morphological features of bronchiectasis in patients with non-tuberculous mycobacteriosis and interstitial pneumonia

 

Generation of bronchi

NTM

(n = 14)

IPF

(n = 13)

Outer Diameters

6th

0.1908

0.1656

7th

0.2005

0.1441

Inner Diameters

6th

0.2377

0.2213

7th

0.2443

0.2256

WA%

6th

0.0799

0.0909

7th

0.0700

0.1145

T/D ratio

6th

0.1067

0.1172

7th

0.0962

0.1508

  1. WA% wall area as % total airway cross sectional area
  2. T/D ratio wall thickness to airway diameter ratio