Table 1
Cancer risks in studies of workers exposed to nickel and its compounds
| Study | Study type | Included in Ojajärvi et al1 | Pancreatic cancer deaths | RR | 95% CI1-150 |
| Thermoelectric plant workers4 | Cohort | Yes | 1 | 3.6 | 0.1 to 19.9 |
| Cadmium/nickel battery workers5 | Cohort | Yes | 3 | 1.7 | 0.3 to 4.9 |
| Los Angeles workplaces6 | Case-control | Yes | 6 | 1.5 | 0.4 to 5.7 |
| Montreal workplaces7 | Case-control | Yes | 12 | 2.1 | 1.1 to 3.9 |
| Nickel mining and smelting workers2 | Cohort | No | 12 | 1.3 | 0.7 to 2.3 |
| Nickel alloy production workers3 | Cohort | No | 131 | 0.9 | 0.8 to 1.1 |
-
↵1-150 SMR/100 for cohort studies.
