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Table 2 Comparison of mortality rates among people above 5 years of age in S County and Y District, July 2002-June 2005

From: Epidemiologic application of verbal autopsy to investigate the high occurrence of cancer along Huai River Basin, China

  Disease Number of deaths Mortality rate (1/100,000) SMR (1/100,000)* (95% CI) Relative risk(RR) p-value
   Study area Control area Study area Control area Study area Control area   
S County Total 972 617 671.4 439.0 586.1 (549.1, 623.1) 338.6 (311.6, 365.7) 1.7 0.000
  Total cancer 462 128 319.1 91.1 277.8 (252.4, 303.2) 72.1 (59.5, 84.7) 3.9 0.000
  Esophageal cancer 108 21 74.6 14.9 64.1 (52.0, 76.2) 11.8 (6.7, 16.8) 5.5 0.000
  Stomach cancer 83 14 57.3 10.0 49.4 (38.8, 60.0) 8.0 (3.8, 12.1) 6.2 0.000
  Liver cancer 84 25 58.0 17.8 50.2 (39.4, 60.9) 14.0 (8.5, 19.6) 3.6 0.000
  Colorectal cancer 14 5 9.7 3.6 8.4 (4.0, 12.8) 2.5 (0.3, 4.8) 3.3 0.018
  Lung cancer 107 36 73.9 25.6 63.6 (51.6, 75.7) 19.8 (13.3, 26.2) 3.2 0.000
Y District Total 967 745 676.7 534.0 493.2 (461.4, 525.1) 415.7 (385.7, 445.8) 1.2 0.000
  Total cancer 429 139 300.2 99.6 223.6 (201.9, 245.3) 78.4 (65.3, 91.6) 2.9 0.000
  Esophageal cancer 51 22 35.7 15.8 25.7 (18.5, 33.0) 11.8 (6.8, 16.7) 2.2 0.002
  Stomach cancer 88 23 61.6 16.5 43.2 (33.9, 52.4) 12.9 (7.6, 18.3) 3.3 0.000
  Liver cancer 97 22 67.9 15.8 53.3 (42.4, 64.2) 12.6 (7.3, 17.9) 4.2 0.000
  Colorectal cancer 21 7 14.7 5.0 10.2 (5.7, 14.6) 4.0 (1.0, 7.0) 2.5 0.028
  Lung cancer 90 26 63.0 18.6 46.1 (36.3, 55.8) 14.6 (9.0, 20.3) 3.2 0.000
  1. *: 2000 census data were used for the standard population