Objective To understand the incidence and characteristics of new cases of pneumoconiosis in Wuxi from 2012 to 2021.
Methods In July 2022, all the data of new cases of pneumoconiosis in Wuxi reported by employers from 2012 to 2021 in the "Occupational Disease and Health Hazard Monitoring Information System" were selected for descriptive analysis of their basic situation, age at diagnosis and dust exposure time, diagnosis time and trend, region, industry, enterprise type, and economic scale.
Results A total of 1 444 cases of occupational pneumoconiosis were reported in Wuxi from 2012 to 2021, including 1 274 males (88.23%) and 170 females (11.77%); the average age at diagnosis was (54.35 ±12.31) years old, and the average dust exposure time was (13.23 ±7.12) years; the age at diagnosis was mostly between 40-49 years old (453 cases, accounting for 31.37%), and the exposure time was mostly between 10-20 years (729 cases, accounting for 50.48%); silicosis (799 cases, accounting for 55.33%) and welding fume pneumoconiosis (480 cases, accounting for 33.24%) were the main types of diseases; in terms of stage distribution, stage I accounted for 77.08% (1 113 cases), stage Ⅱ accounted for 14.96% (216 cases), and stage Ⅲ accounted for 7.96% (115 cases); in terms of regional distribution, Jiangyin City ranked first with 507 cases (35.11%), followed by Xishan District with 490 cases (33.93%) and Yixing City with 275 cases (19.04%); new cases of pneumoconiosis were mainly concentrated in manufacturing (969 cases, accounting for 67.11%) and mining industries (431 cases, accounting for 29.85%), with private enterprises (740 cases, accounting for 51.35%) and collective enterprises (552 cases, accounting for 38.23%) as the main types of enterprises; small enterprises accounted for 73.55% (1 062/1 444), and medium-sized enterprises accounted for 9.14% (132/1 444).
Conclusions Silicosis and welding fume pneumoconiosis were the main types of new pneumoconiosis cases in Wuxi City. New cases showed obvious regional, industrial, and disease distribution differences, and occupational health supervision should be strengthened for small and medium-sized private enterprises in the manufacturing and mining industries.
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