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Table 3 Diagnostic performance of MG and BSGI according to breast density for detecting malignancy

From: The usefulness of addition of breast-specific gamma imaging to mammography in women with dense breast

 

MG

BSGI

Nondense

Dense

P value

Nondense

Dense

P value

Sensitivity (CI)

94.92

(85.9–98.9)

85.45

(79.1–90.5)

0.55

89.83

(79.2–96.2)

87.88

(81.9–92.4)

0.688

Specificity (CI)

30.77

(14.3–51.8)

69.31

(64.4–73.9)

0.000

80.77

(60.6–93.4)

81.48

(77.2–85.3)

0.928

PPV (CI)

75.68

(64.3–84.9)

54.86

(48.6–61.1)

0.001

91.38

(81.0–97.1)

67.44

(60.7–73.7)

0.000

NPV (CI)

72.73

(39.0–94.0)

91.61

(87.8–94.5)

0.068

77.78

(57.7–91.4)

93.90

(90.7–96.2)

0.009

AUC (CI)

0.628

(0.517–0.731)

0.774

(0.736–0.808)

 

0.853

(0.760–0.920)

0.847

(0.814–0.876)

 
  1. MG mammography, BSGI breast-specific gamma imaging, CI confidence interval, PPV positive predictive value, NPV negative predictive value