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Table 2 Clinicopathologic parameters and risk categories

From: Skp2 expression is associated with high risk and elevated Ki67 expression in gastrointestinal stromal tumours

   Group A Group B
N° cases   26 68
Sex M 15 33
  F 11 35
Cell type Spindle 8 36
  Epithelioid 4 9
  Mixed 14 23
Cellularity Low 15 13
  High 11 55
Necrosis 0 26 48
  1 0 20
Mitosis 1 21 47
  2 5 21
Metastases   1 22
p27Kip1 (%)   9/26 (34.6%) 7/50 (14%)
Skp2 (%)   4/25 (16%) 20/50 (40%)
Jab1 (%)   16/25 (64%) 23/48 (47.9%)
Ki67 (%)   3/25 (12%) 18/52 (34.6%)
  1. Necrosis: 0 = absent; 1 = present
  2. Mitosis: 1 ≤ 5 × 50 HPF; 2 > 5 × 50 HPF
  3. Cellularity: Low cellularity ≤ 100 tumor cells × 10 HPF; High cellularity > 100 tumor cells × 10 HPF