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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