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Table 4 Spearmanā€™s rank correlation coefficient between the level of asbestos fibers in the lung tissue samples and in bronchoalveolar lavage fluid by electron and light microscopy

From: The utility of electron microscopy in detecting asbestos fibers and particles in BALF in diffuse lung diseases

Association with the concentration of ABs

detected in surgically-obtained lung tissues obtained by light microscopy

rS

P

Concentration of AFs detected in BALF by electron microscopy

0.913

<0.01

Concentration of ABs detected in BALF by electron microscopy

0.791

<0.05

Concentration of ABs detected in BALF by light microscopy

0.514

NS

  1. ABs Asbestos bodies, AFs uncoated asbestos fibers and ABs, BALF bronchoalveolar lavage fluid, CHP chronic hypersensitivity pneumonia, IPF idiopathic pulmonary fibrosis, NS not significant, rS Spearmanā€™s rank correlation coefficient