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Table 3 Proportionate Mortality Ratios (PMR), 1969-1998, for Respiratory and bladder Cancer in Cement Workers in Greece

From: Respiratory tract mortality in cement workers: a proportionate mortality study

Site N PMR 95% CI
Blue-collar maintenance workers
All respiratory cancer 91 1.91 1.54 to 2.33
Lung cancer 85 2.05 1.65 to 2.52
Larynx 6 1.32 0.53 to 2.74
Bladder cancer 13 1.52 0.85 to 2.55
Blue-collar maintenance workers
All respiratory cancer 35 1.7 1.2 to 2.34
Lung cancer 31 1.67 1.15 to 2.34
Larynx cancer 4 1.71 0.54 to 4.14
Bladder cancer 11 1.49 0.78 to 2.59
Office workers
All Respiratory cancer 13 0.62 0.34 to 1.03
Lung cancer 13 0.7 0.38 to 1.16
Larynx cancer - n/a n/a
Bladder cancer 2 1.5 0.25 to 4.96
  1. PMR: proportionate mortality ratio; CI: confidence intervals.