Research Article
Association between Coalmine Dust and Mortality Risk of Lung Cancer: A Meta-Analysis
Table 2
Results of metaregression analysis.
| | Parameter | Coefficient | 95% CI | |
| | Year of publication | 0.232 | -0.125, 0.590 | 0.182 | | Outcome type | 0.042 | -0.216, 0.230 | 0.730 | | Ethnicity | -0.767 | -1.325, -0.208 | 0.011 | | Control group | 0.203 | -0.109, 0.515 | 0.182 | | Case group | 0.226 | -0.465, 0.917 | 0.489 | | Type of research | 0.172 | -0.126, 0.470 | 0.233 | | Observed deaths | -0.143 | -0.591, 0.305 | 0.501 | | Area | 0.071 | 0.352, 0.494 | 0.722 | | Duration of follow-up | -0.310 | -1.385, 2.452 | 0.103 |
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Abbreviation: 95% CI: 95% confidence interval.
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