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Table 4 Risk of respiratory cancer mortality in Pedersen et al. (1973) [1]; and respiratory cancer incidence in Magnus et al. (1982) [2]

From: New views on the hypothesis of respiratory cancer risk from soluble nickel exposure; and reconsideration of this risk's historical sources in nickel refineries

  Nasal cavities Larynx Lung All respiratory organs
Categories of work Obs SMR Obs SMR Obs SMR Obs SMR
  Pedersen et al . (1973)
Roasting-smelting 5 5000 4 1000 12 480 21 700
Electrolysis 6 3000 - - 26 720 32 744
Other specified processes 1 1000 1 500 6 460 8 500
Administration, service and unspecified 2 2000 - - 4 150 6 194
Total 14 2800 5 360 48 475 67 558
  Magnus et al . (1982)
Roasting-smelting 8 4000 4 670 19 360 31 510
Electrolysis 8 2670 0 0 40 550 48 570
Other specified processes 2 2000 1 330 12 390 15 430
Administration, service and unspecified 3 1500 0 0 11 175 14 190
Total 21 2630 5 210 82 370 108 430