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Table 2 Relation between elasticity score and final histopathological diagnosis

From: B-mode ultrasound, color Doppler, and sonoelastography in differentiation between benign and malignant cervical lymph nodes with special emphasis on sonoelastography

  

Histopathology

P value

Benign

Malignant

N = 26

N = 58

Percentage of the blue (stiff) area

Range

Mean ± SD

Median/(IQR)

8–79%

22 ± 18 %

26/(12–47)

10–91%

57.6 ± 14.3 %

68/(49–80)

< 0.001*

Elasticity score (ES)

ES 1

< 10%: n (%)

9 (34.6%)

0 (0%)

ES 2

10–45%: n (%)

15 (57.7%

3 (5.1%)

ES 3

46–80: n (%)

2 (7.7%)

42 (72.4%)

ES 4

> 80: n (%)

0 (0%)

13 (22.4%)

  1. Mann–Whitney test for non-parametric quantitative data between the two groups
  2. Fisher exact test for qualitative data between the two groups
  3. *Significant level at P value < 0.05