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Table 4 Comparison of diagnostic indices of mammography and tomosynthesis in different breast densities and age groups (significant P value < 0.05)

From: Comparing the diagnostic efficacy of digital breast tomosynthesis with full-field digital mammography using BI-RADS scoring

 

Sensitivity

Specificity

PPV

NPV

P value

FFDM (%)

DBT (%)

FFDM (%)

DBT (%)

FFDM (%)

DBT (%)

FFDM (%)

DBT (%)

ALL

64.4

100.0

77.8

97.77

74.4

97.77

68.6

100.0

< 0.001

ACR

a

86.7

100.0

83.3

100.0

66.7

100.0

83.3

100.0

0.455

b

60.0

100.0

50.0

100.0

60.0

100.0

50.0

100.0

0.087

c

76.5

100.0

70.0

97.22

76.5

97.22

80.0

100.0

0.013

d

50.0

100.0

100.0

100.0

100.0

100.0

45.5

100.0

0.014

age

30-40

75.0

100.0

68.4

96.3

50.0

96.33

86.7

100.0

0.046

41-50

33.3

100.0

84.6

100.0

66.7

100.0

57.9

100.0

0.001

51-60

68.4

100.0

77.78

100.0

86.7

100.0

53.8

100.0

0.020

61-70

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

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