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Table 1 Observed versus expected breast cancer deaths among Ashkenazi and Sepharad Jewish women in São Paulo (1971-1997) and Porto Alegre (1948-1997), Brazil

From: Breast cancer mortality among Ashkenazi Jewish women in São Paulo and Porto Alegre, Brazil

  São Paulo Ashkenazi São Paulo Sepharad* Porto Alegre
Age group (years) O E O/E 95% CI O E O/E 95% CI O E O/E 95% CI
Before 1985**             
   20-29 - 1 0.00 -      - - 0.00 -
   30-39 3 4 0.75 0.15-2.19      4 3 1.33 0.36-3.41
   40-49 9 8 1.13 0.52-2.15      6 5 1.20 0.44-2.62
   50-64 31 26 1.19 0.80-1.70      20 18 1.11 0.68-1.71
   65-79 31 32 0.97 0.65-1.39      11 8 1.38 0.69-2.47
   > 79 11 11 1.00 0.50-1.79      1 2 0.50 0.01-2.79
   Total 85 82 1.04 0.83-1.29      42 36 1.16 0.84-1.57
1985-1997             
   20-29 - 1 0.00 -      - - 0.00 -
   30-39 2 2 1.00 0.12-3.61 2 1 2.00 0.24-1.72 - 1 0.00 -
   40-49 5 7 0.71 0.23-1.65 6 4 1.50 0.55-3.50 - 2 0.00 -
   50-59 15 14 1.07 0.60-1.77 11 5 2.20 1.10-3.94 5 7 0.71 0.23-1.65
   60-69 29 25 1.16 0.78-1.67 10 9 1.11 0.53-2.04 8 5 1.60 0.69-3.15
   70-79 40 26 1.54 1.10-2.09 13 6 2.17 1.15-3.71 8 6 1.33 0.57-2.62
   > 79 34 30 1.17 0.82-1.63 2 3 0.67 0.08-2.42 8 3 2.67 1.15-5.26
   Total 122 104 1.17 1.00-1.44 44 30 1.47 1.07-1.98 29 24 1.21 0.81-1.79
  1. O, Breast cancer observed deaths; E, breast cancer expected deaths; O/E, ratio of observed versus expected breast cancer deaths; 95% CI, 95% confidence interval estimated by Poisson distribution. * 1971-1997; ** 1948-1997 in Porto Alegre and 1971-1997 in São Paulo.