Pneumoconiosis and Dust Exposure China Cohort

The primary objective of this study is to characterize the demographic and clinical features of patients with occupational pneumoconiosis (hereinafter referred to as pneumoconiosis) in China. Secondary objectives include: 1) to describe the natural course of pneumoconiosis; 2) to evaluate the prognosis of pneumoconiosis patients; and 3) to assess complications and comorbidities in pneumoconiosis patients.