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Table 4 SMRs by years of exposure (employment) for selected causes of death

From: Health status of male steel workers at an electric arc furnace (EAF) in Trentino, Italy

ICD 9 Cause of death Years of exposure
   0 - < 1 year 1–<5 years 5–<10 years 10 + years
   Obs SMR 95 % CI Obs SMR 95 % CI Obs SMR 95 % CI Obs SMR 95 % CI
001–999 All causes 7 0.97 0.39–2.00 11 1.29 0.64–2.31 9 1.21 0.55–2.30 9 0.94 0.43–1.79
140–239 All tumours 2 0.75 0.09–2.71 5 1.68 0.54–3.92 4 1.32 0.36–3.38 5 1.17 0.38–2.73
162 Malignant tumors of the larynx, trachea, bronchi, lungs 1 1.66 0.04–9.25 3 4.35 0.90–12.71 3 4.11 0.85–12.01 2 2.06 0.25–7.45
  1. Obs observed death, Exp expected death, CI confidence interval