Table 2

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

Group A: the cases with metastases or recurrences.

Group B: the cases without metastases or recurrences.

Statistically significant difference (<0.05) by Fisher’s exact test or Welch two sample t-test.

Yamaguchi et al.

Yamaguchi et al. Diagnostic Pathology 2013 8:65   doi:10.1186/1746-1596-8-65

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