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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.