Table 7 Differences in the magnitude of correlations between airway wall areas and fraction of exhaled nitric oxide among bronchial generations.

From: Relationship between fraction of exhaled nitric oxide and airway morphology assessed by three-dimensional CT analysis in asthma

 

Δρ

p-value

Third–fourth

−0.030

0.767

Third–fifth

−0.140

0.131

Third–sixth

−0.203

0.047

Fourth–fifth

−0.140

0.108

Fourth–sixth

−0.173

0.054

Fifth–sixth

−0.033

0.612

  1. Data are expressed as the difference in Spearman rank correlation coefficient (Δρ) and p-value by the Meng-Rosenthal-Rubin method. 3rd, third-generation bronchi; 4th, fourth-generation bronchi; 5th, fifth-generation bronchi; 6th, sixth-generation bronchi.
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