Risk associated with high final cumulative exposure score in 80 cases of systemic sclerosis and 160 matched controls; maximum likehood estimate using odds ratio (OR) and confidence intervals (95% CI)
| Exposure | Cases n=80 | Controls n=160 | OR (95% CI) |
|---|---|---|---|
| *p<0.05; **p<0.01. | |||
| Crystalline silica | 7 | 4 | 3.74 (1.06 to 13.18)* |
| Trichlorethylene | 7 | 2 | 7.58 (1.54 to 37.36)** |
| Chlorinated solvents | 8 | 4 | 4.33 (1.26 to 14.86)* |
| Toluene | 3 | 1 | 6.19 (0.63 to 60.53) |
| Aromatic solvents | 6 | 4 | 3.16 (0.87 to 11.55) |
| Ketones | 5 | 0 | Non-calculable |
| White spirit | 6 | 4 | 3.16 (0.87 to 11.55) |
| Any type of solvents | 17 | 12 | 3.32 (1.50 to 7.37)** |
| Epoxy resin | 3 | 1 | 6.19 (0.63 to 60.53) |
| Welding fumes | 6 | 2 | 6.41 (1.26 to 32.49)* |