Table 2 Clinico-pathological variables of 61 gastrointestinal stromal tumours patients according to number of mitoses per 50 HPF(≤ or > 10)*
|  | Mitoses ≤ 10/50 per HPF | Mitoses > 10/50 per HPF | p |
|---|---|---|---|
Tumour location | Â | Â | 0.09 |
   stomach | 28 (68)§ | 13 (32) |  |
   colon-rectum | 1 (25) | 3 (75) |  |
   small bowel | 12 (86) | 2 (14) |  |
   duodenum | 2 (100) | 0 |  |
Surgical resection type | Â | Â | 0.04 |
   R0 | 42 (74) | 15 (26) |  |
   R1+R2 | 1 (25) | 3 (75) |  |
Tumour diameter | Â | Â | 0.71 |
   ≤ 10 cm | 33 (72) | 13 (28) |  |
   > 10 cm | 10 (67) | 5 (33) |  |
Tumour necrosis | Â | Â | Â |
   absent | 33 (75) | 11 (25) |  |
   present | 10 (59) | 7 (41) | 0.21 |