Mortality odds ratios and 95% confidence intervals for various diseases among those with silicosis compared to a non-silicotic control group
| Disease | Number (%) of silicotics with disease of interest (n=1237) | Number (%) of controls with disease of interest (n=6185) | Mortality odds ratio (95% CI) |
|---|---|---|---|
| Lung cancer | 84 (6.8) | 575 (9.3) | 0.70 (0.55 to 0.89) |
| Stomach cancer | 2 (0.2) | 39 (0.6) | 0.25 (0.06 to 1.06) |
| Oesophageal cancer | 3 (0.2) | 57 (0.9) | 0.26 (0.08 to 0.83) |
| COPD | 117 (9.5) | 150 (2.4) | 4.38 (3.39 to 5.67) |
| Pulmonary tuberculosis | 48 (3.9) | 7 (0.1) | 39.5 (16.9 to 92.4) |
| Sarcoidosis | 0 | 3 (0.1) | – |
| Systemic sclerosis | 2 (0.2) | 5 (0.1) | 2.00 (0.39 to 10.31) |
| Systemic lupus erythematosus | 0 | 3 (0.1) | – |
| Rheumatoid arthritis | 15 (1.2) | 20 (0.3) | 3.75 (1.92 to 7.32) |
| All renal failure | 35 (2.8) | 417 (6.7) | 0.40 (0.28 to 0.57) |
| Acute renal failure | 8 (0.7) | 60 (1.0) | 0.67 (0.32 to 1.39) |
| Chronic renal failure | 3 (0.2) | 84 (1.4) | 0.18 (0.06 to 0.56) |
| Chronic glomerulonephritis | 2 (0.2) | 10 (0.2) | 1.00 (0.22 to 4.56) |
| Membranous glomerulonephritis | 1 (0.08) | 2 (0.03) | 2.32 (0.21 to 25.63) |