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Table 3 Comparison of diagnostic value between MG and US

From: Limitations of mammography in the diagnosis of breast diseases compared with ultrasonography: a single-center retrospective analysis of 274 cases

  Method Sensitivity Specificity Accuracy False-positive False-negative Positive PV Negative PV
All MG 88.5% 57.9% 73.7% 42.1% 11.5% 69.2% 82.5%
  US 95.9% 66.7% 81.8% 33.3% 4.1% 75.5% 93.8%
Age ≤45 years MG 73.7% 60.6% 65.4% 39.4% 26.3% 51.9% 80.0%
  US 89.5% 68.2% 76.0% 31.8% 10.5% 61.8% 91.8%
Age >45 years MG 95.2% 54.2% 80.3% 45.8% 4.8% 78.4% 86.7%
  US 98.8% 64.6% 86.4% 35.4% 1.2% 83.0% 96.9%
Premenopausal MG 81.0% 53.8% 64.9% 46.2% 19.0% 54.8% 80.3%
  US 91.9% 71.4% 79.7% 28.6% 8.1% 68.7% 92.9%
Postmenopausal MG 96.6% 73.9% 90.2% 26.1% 3.4% 90.5% 89.5%
  US 100.0% 47.8% 85.4% 52.2% 0.0% 83.1% 100.0%
Low breast density MG 92.9% 52.1% 76.3% 47.9% 7.1% 73.9% 83.3%
  US 98.6% 62.5% 83.9% 37.5% 1.4% 79.3% 96.8%
High breast density MG 63.2% 82.7% 71.7% 17.3% 36.8% 82.7% 63.2%
  US 92.3% 69.7% 79.7% 30.3% 7.7% 70.6% 92.0%
  1. MG, mammography; PV, predictive value; US, ultrasonography.