Variable | Islets + Stroma | Islets | Stroma | ||||||
---|---|---|---|---|---|---|---|---|---|
 | < median | ≥ median | P | < median | ≥ median | P | < median | ≥ median | P |
Tumor stage: | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   I-II | 27 | 28 | 0.929 | 24 | 31 | 0.228 | 31 | 24 | 0.158 |
   III-IV | 22 | 22 |  | 25 | 19 |  | 18 | 26 |  |
Histology | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Adenocarcinoma | 16 | 29 | 0.012 | 19 | 26 | 0.228 | 19 | 26 | 0.228 |
   Non-adenocarcinoma | 33 | 21 |  | 30 | 24 |  | 30 | 24 |  |
Tumor grade | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Well to moderate differentiation | 26 | 24 | 0.646 | 26 | 24 | 0.248 | 26 | 24 | 0.495 |
   Poor differentiation | 14 | 16 |  | 11 | 19 |  | 13 | 17 |  |
Lymph node metastasis | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No | 28 | 31 | 0.624 | 25 | 34 | 0.103 | 33 | 26 | 0.153 |
   Yes | 21 | 19 |  | 24 | 16 |  | 16 | 24 |  |