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Table 3 Breast cancer-specific survival by method of detection and age at diagnosis

From: Long-term prognosis of breast cancer detected by mammography screening or other methods

  Screening Outside screening
   Survival (%)   Survival (%)
Age at diagnosis (years) Patients ( n ) 5 years 10 years 15 years Patients ( n ) 5 years 10 years 15 years
Node-negative and node-positive         
   ≤ 39 2 N.A. N.A. N.A. 118 81.4 63.5 57.3
   40 to 49 47 100 93.5 93.5 362 85.6 75.8 71.3
   50 to 59 254 94.1 89.6 86.3 230 84.2 77.1 71.5
   60 to 69 93 97.8 92.1 84.9 272 83.3 71.2 65.8
   ≥ 70 12 N.A. N.A. N.A. 494 80.4 69.1 60.8
Node-negative         
   ≤ 39 1 N.A. N.A. N.A. 64 92.2 81.2 76.3
   40 to 49 34 100 97.1 97.1 195 92.8 85.6 82.5
   50 to 59 190 98.4 95.2 92.4 150 92 86.5 82.3
   60 to 69 83 98.9 92.5 87.2 171 86.1 79.1 72.1
   ≥ 70 9 N.A. N.A. N.A. 282 88.6 78 70.7
Node-positive         
   ≤ 39 1 N.A. N.A. N.A. 54 72.2 46.3 38.6
   40 to 49 12 100 91.7 91.7 165 76.9 64 57.8
   50 to 59 61 83.4 75 69.9 79 69.5 59.2 50.9
   60 to 69 8 100 100 71.4 99 78.4 58.4 55.6
   ≥ 70 3 N.A. N.A. N.A. 155 66 55.5 45.4
  1. N.A. = data not available because screening was rarely performed in women ages ≤ 39 and ≥ 70.