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The Egyptian Journal of Bronchology

Table 6 Correlation between FEV1% and inter-luminal diameter during the inspiratory phase

From: Clinical, physiological, and radiological different phenotypes of COPD patients

CT inter-luminal diameter

FEV1%

r

P*

RB1

 + 0.58

 < 0.001

RB10

 + 0.38

0.007

LB3

 + 0.46

0.001

  1. *Pearson correlation coefficient, the sign before “r” denotes the direction of relation, P < 0.05 considered significant
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