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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