Incidence of malignant melanomas, spinocellular skin cancer, and brain tumours in workers exposed to VCM from 1 January 1953 to 31 December 1993
| Tumour site | <1 ppm- years | 1–5 ppm-years | ⩾5 ppm- years | Total | 95% CI | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Obs | Exp | Obs | Exp | Obs | Exp | Obs | Exp | ||||||||||
| Lung cancer (162) | 5 | 3.0 | 1 | 1.46 | 5 | 3.50 | 11 | 7.99 | 0.65 to 2.46 | ||||||||
| Malignant melanoma (190) | 2 | 0.8 | 0 | 0.54 | 5 | 0.73 | 7 | 2.06 | 1.36 to 6.96 | ||||||||
| Spinocellular cancer (191) | 2 | 0.6 | 0 | 0.32 | 3 | 0.74 | 5 | 1.67 | 0.97 to 6.98 | ||||||||
| Brain tumours (193) | 1 | 0.7 | 0 | 0.40 | 1 | 0.74 | 2 | 1.78 | 0.14 to 4.05 | ||||||||