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Table 2 Analysis of Ki67 index, dividing into G1/G2 according to the WHO 2010 classification

From: Clinical validation of the gastrointestinal NET grading system: Ki67 index criteria of the WHO 2010 classification is appropriate to predict metastasis or recurrence

 

Metastases or recurrences

 
 

+ (Group A, n = 7)

- (Group B, n = 38)

p value

Mean Ki67 index (%)

2.83 (0.38—10.43)

1.39 (0—6.44)

0.35

Grade

   

G1 (Ki67 index ≦2%)

4

29

 

G2 (Ki67 index >2%)

3

9

0.36

Grade

   

G1 (Ki67 index ≦3%)

5

34

 

G2 (Ki67 index >3%)

2

4

0.23

  1. Group A: the cases with metastases or recurrences.
  2. Group B: the cases without metastases or recurrences.
  3. Statistically significant difference (<0.05) by Fisher’s exact test or Welch two sample t-test.
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Diagnostic Pathology

ISSN: 1746-1596

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