Table 1.
The spectrum of coal mine dust lung disease (CMDLD).
Fig 1.
PRISMA flowchart for study selection.
Table 2.
Summary of included studies in systematic review.
Table 3.
Summary of included studies on overall prevalence of coal workers pneumoconiosis.
Table 4.
Summary of included studies on prevalence of coal workers pneumoconiosis (CWP) by disease severity.
Table 5.
Summary of included studies on prevalence of coal workers pneumoconiosis by population sub-groups.
Table 6.
Summary of included studies on prevalence of other coal mine dust lung disease.
Fig 2.
Forest plot from meta-analysis for overall prevalence of coal worker’s pneumoconiosis (CWP) among underground coal miners.
Abbreviations are USA United States. The red dashed line corresponds to the overall effect size to guide the eye.
Fig 3.
Forest plot from meta-analysis for overall prevalence of progressive massive fibrosis (PMF) in the United States (USA).
The red dashed line corresponds to the overall effect size to guide the eye.
Fig 4.
Forest plot from meta-analysis for overall prevalence of advanced coal workers pneumoconiosis in the United States (USA).
The red dashed line corresponds to the overall effect size to guide the eye.
Fig 5.
Forest plot from meta-analysis for overall prevalence of r-type opacities in the United States (USA).
The red dashed line corresponds to the overall effect size to guide the eye.
Fig 6.
Forest plot from meta-analysis for overall prevalence of coal worker’s pneumoconiosis (CWP) among surface coal miners in the United States (USA).
The red dashed line corresponds to the overall effect size to guide the eye.
Fig 7.
Forest plot from meta-analysis for overall prevalence of coal worker’s pneumoconiosis (CWP) in the United States by region: All USA, Central Appalachia and Rest of USA.
The red dashed line corresponds to the overall effect size to guide the eye. The term Central Appalachia refers to the region covered by states of Kentucky, Virginia, and West Virginia.
Table 7.
Summary of included studies for mortality or survival due to coal mine dust lung disease.