Table 4 Diagnostic Performances according to breast density.

From: Applying Data-driven Imaging Biomarker in Mammography for Breast Cancer Screening: Preliminary Study

 

Sensitivity (%)

Specificity (%)

Accuracy (%)

AUC

Validation Set

75.6 (468/619)

90.2 (558/619)

82.9 (1026/1238)

0.903

 Parenchymal density

   A (n = 59)

81.3 (26/32)

100 (27/27)

89.8 (53/59)

0.946

   B (n = 242)

80.9 (110/136)

96.2 (102/106)

87.6 (212/242)

0.950

   C (n = 744)

75.0 (234/312)

90.3 (390/432)

83.9 (624/744)

0.900

   D (n = 193)

70.5 (98/139)

72.2 (39/54)

71.0 (137/193)

0.790

   p value*

0.201

<0.001

<0.001

 

Test Set

76.1 (471/619)

88.5 (548/619)

82.3 (1019/1238)

0.906

 Parenchymal density

   A (n = 49)

90.3 (28/31)

100 (18/18)

93.88 (46/49)

0.960

   B (n = 252)

75.9 (104/137)

92.17 (106/115)

83.33 (210/252)

0.935

   C (n = 744)

75.6 (236/312)

88.43 (382/432)

83.06 (618/744)

0.899

   D (n = 193)

74.1 (103/139)

77.78 (42/54)

75.13 (145/193)

0.851

   p value*

0.301

<0.061

<0.026

 
  1. *Chi-square test.