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Table 5 Data on numbers of cancer deaths following detection

From: Using observational data to estimate an upper bound on the reduction in cancer mortality due to periodic screening

year since detection number of cancer deaths number at risk at start of year
  F I S R* C* F I S R* C*
Minnesota Colon Cancer Control Study (annual screening)
1 2 1 1 3 36 26 19 77 27 259
2 3 2 2 1 10 24 18 74 24 217
3 0 2 2 2 17 21 16 72 23 202
4 0 1 3 0 7 20 13 69 20 177
5 0 1 0 2 6 20 12 64 19 165
Minnesota Colon Cancer Control Study (biennial screening)
1 2 9 0 7 36 34 51 41 21 259
2 0 4 2 0 10 31 42 40 14 217
3 4 3 3 0 17 30 37 38 13 202
4 2 0 1 1 7 26 33 33 12 177
5 0 0 3 1 6 23 31 29 11 165
HIP study of breast cancer screening
1 2 2 1 9 19 54 47 57 59 210
2 2 6 2 5 27 52 44 56 49 189
3 0 5 0 2 12 50 38 54 44 161
4 1 1 1 2 12 50 33 54 41 148
5 3 2 3 1 9 48 31 53 38 133
Mayo Lung Project
1 32 11 11 2 21 80 21 67 4 48
2 7 5 13 1 4 46 10 56 2 20
3 6 0 2 0 4 36 5 41 0 13
4 3 0 1 0 2 29 4 37 0 4
5 1 0 1 0 0 25 3 29 0 1
  1. F = first screen, I = interval between screens, S = subsequent screen, R = refuser, C = control *data excluded for PSE with screened subjects