Skip to main content

Table 1 Participant demographics, lesion characteristics, and the summary of quantitative parameters

From: Hybrid high-definition microvessel imaging/shear wave elastography improves breast lesion characterization

  Benign (N = 310) Malignant (N = 204) p valuec
Sex    
 Femalea 306 200 na
 Malea 0 1 na
Age (y) 49 ± 15 62 ± 13  < 0.001
s (mm) 14.5 ± 8.7 18.5 ± 12.9  < 0 .001
d (mm) 10.0 ± 6.0 11.0 ± 5.5 .01
SWE parameters
 Emean (kPa) 24.8 ± 20.4 79.2 ± 37.5  < 0.001
 Emax (kPa) 50.5 ± 39.8 159.1 ± 67.1  < 0.001
 Emin (kPa) 11.7 ± 10.5 31.0 ± 22.2  < 0.001
 Esd (kPa) 0.8 ± 0.8 2.6 ± 1.7  < 0.001
 fmass (Hz) 157.8 ± 94.1 220.0 ± 130.6  < 0.001
HDMI parameters
 NV 4.6 ± 8.1 15.6 ± 19.8  < 0.001
 NB 2.0 ± 4.7 7.8 ± 12.1  < 0.001
 VD 0.03 ± 0.03 0.05 ± 0.04  < 0.001
 SVP 0 (254/310)b 1 (113/204)b  < 0.001
 Dmax (mm) 429.9 ± 272.3 617.1 ± 228.0  < 0.001
 Dmean (mm) 343.3 ± 210.0 428.6 ± 133.1  < 0.001
 τmax 1.1 ± 0.3 1.2 ± 0.2  < 0.001
 τmean 1.03 ± 0.04 1.04 ± 0.04  < 0.001
 BAmax (°) 141.6 ± 52.9 103.4 ± 58.1  < 0.001
 BAmean (°) 134.1 ± 55.0 80.5 ± 44.4  < 0.001
 MDmax 0.22 ± 0.29 0.65 ± 0.28  < 0.001
 MDmean 0.15 ± 0.19 0.45 ± 0.28  < 0.001
 mvFD 0.91 ± 0.38 1.18 ± 0.21  < 0.001
  1. Unless otherwise specified, numbers are mean ± standard deviation
  2. HDMI, high-definition microvasculature imaging. SWE, shear wave elastography
  3. ªData are numbers of participants
  4. bNumbers are percentages
  5. cKruskal-Wallis test