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Table 1 Relative risk for tobacco smoking and cancer in Korea

From: Attributable fraction of tobacco smoking on cancer using population-based nationwide cancer incidence and mortality data in Korea

Cancer site (ICD-10) Gender Pooled RR (95% CI) Sources of pooled RR (OR)
Incidence Mortality
Former smokers Current smokers Former smokers Current smokers
Oral Cavity (C00-C09)a Men 1.03 (0.63-1.68) 2.19 (1.54-3.12) 0.80 (0.10-13.50) 3.30 (0.50-34.60) [20, 21]
  Women - 6.70 (1.10-39.40)b 0.80 (0.10-13.50)c 3.30 (0.50-34.60)c [21]
Pharynx (C10-C14)a Men 1.03 (0.63-1.68) 2.19 (1.54-3.12) 0.80 (0.10-13.50) 3.30 (0.50-34.60) [20, 21]
  Women - 6.70 (1.10-39.40)b 0.80 (0.10-13.50)c 3.30 (0.50-34.60)c [21]
Esophagus (C15) Men 1.20 (1.05-1.37) 2.23 (1.99-2.50) 1.45 (1.21-1.73) 2.64 (2.25-3.09) [20, 21, 26]
  Women 1.10 (0.40-3.10) 1.60 (0.80-3.10) 1.60 (0.60-5.10) 0.90 (0.30-2.70) [21]
Stomach (C16) Men 1.22 (0.87-1.71) 1.51 (1.46-1.55) 1.31 (1.21-1.41) 1.60 (1.51-1.71) [20, 21, 23, 27, 28, 34]
  Women 1.22 (0.87-1.71)c 1.51 (1.46-1.55)c 1.01 (0.83-1.24) 1.04 (0.85-1.26) [21, 27]
Colorectum (C18-C20) Men 1.13 (1.02-1.26) 0.98 (0.78-1.23) 1.10 (0.90-1.40) 1.10 (0.80-1.40) [20, 21, 24, 33]
  Women 1.07 (0.70-1.63) 0.97 (0.76-1.25) 1.10 (0.90-1.40)c 1.10 (0.80-1.40)c [24, 33]
Liver (C22) Men 1.20 (1.10-1.30) 1.40 (1.30-1.50) 1.20 (1.00-1.30) 1.40 (1.30-1.60) [21]
  Women 0.80 (0.10-5.60) 2.50 (1.00-6.30) 1.90 (0.30-14.20) 2.60 (0.60-11.00) [21]
Pancreas (C25) Men 1.20 (1.00-1.40) 1.50 (1.30-1.70) 1.11 (0.93-1.33) 1.50 (1.31-1.71) [21, 27]
  Women 0.80 (0.50-1.10) 1.20 (0.90-1.50) 0.90 (0.5-1.20) 1.10 (0.80-1.40) [21]
Larynx (C32) Men 2.01 (1.49-2.73) 4.65 (3.61-6.00) 1.70 (1.00-2.90) 4.50 (2.80-7.10) [20, 21]
  Women 0.90 (0.10-6.80) 9.10 (4.60-17.80) 0.90 (0.10-6.90) 3.60 (1.30-9.70) [21]
Lung (C33-C34) Men 1.21 (0.87-1.69) 2.58 (1.83-3.63) 1.82 (1.63-2.03) 4.40 (3.98-4.87) [1921, 25, 27, 30, 31, 36]
  Women 1.65 (1.37-1.99) 2.37 (2.09-2.68) 1.90 (1.50-2.40) 3.20 (2.70-3.70) [21, 31]
Cervix uteri (C53) Women 1.15 (0.87-1.52) 1.12 (0.92-1.35) 1.20 (0.60-2.40) 1.80 (1.10-2.80) [18, 20, 21, 35]
Ovary (C56) Women 1.12 (0.90-1.39) 2.07 (1.65-2.60) 1.12 (0.90-1.39)d 2.07 (1.65-2.60)d [22, 29]
Kidney (C64) Men 1.10 (0.90-1.20) 1.10 (0.90-1.20) 1.00 (0.70-1.40) 1.10 (0.80-1.50) [21]
  Women 1.10 (0.60-2.10) 1.00 (0.60-1.60) 2.30 (0.90-6.30) 1.50 (0.60-3.90) [21]
Bladder (C67) Men 1.50 (1.30-1.70) 2.00 (1.70-2.30) 1.30 (0.90-1.90) 2.10 (1.40-2.90) [21]
  Women 0.92 (0.53-1.58) 1.73 (1.26-2.38) 0.70 (0.20-2.20) 2.00 (1.10-3.80) [21, 32]
  1. aRR for cancers of the oral cavity and pharynx combined was used; bRR for ever-smoker (past + current smokers); cRR for men was used for women; dRR for incidence was used.