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Table 1 Definition of CWP stages (according to GBZ70-2015)

From: Use data augmentation for a deep learning classification model with chest X-ray clinical imaging featuring coal workers' pneumoconiosis

 

Summary of pneumoconiosis standard (CXR)

Dust-exposure workers (Coal Mining Workers with clear dust-exposure history)

No opacities discovered, or small opacities (Level 1 profusion) discovered in one subregion

CWP Stage I

Small opacities (Level 1 profusion) discovered in two subregions at least, or small opacities (Level 2 profusion)discovered in four subregions at most

CWP Stage II

Small opacities (Level 2 profusion) discovered in four subregions at least, or small opacitie (Level 3 profusion) discovered

CWP Stage III

Small opacities (Level 3 profusion) discovered in four subregions at least, or large opacities discovered

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BMC Pulmonary Medicine

ISSN: 1471-2466

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