| MSS (n = 112) | MSI (n = 34) | P-value | |
---|---|---|---|---|
 |  | MSI-L (n = 15) | MSI-H (n = 19) |  |
Mean age (range) | 60.0 (26–84) | 71.9 ± 17.8 | 60.4 ± 9.4 | 0.010 |
Gender | Â | Â | Â | Â |
   Male | 67 | 8 | 12 | 0.207 |
   Female | 45 | 7 | 7 |  |
Location of tumor | Â | Â | Â | 0.658 |
   Ascending colon | 19 | 1 | 4 |  |
   Transverse colon | 9 | 1 | 4 |  |
   Descending colon | 10 | 2 | 0 |  |
   Sigmoid flexure | 11 | 1 | 4 |  |
   Rectum | 61 | 10 | 7 |  |
Pathological type | Â | Â | Â | 0.545 |
   Adenocarcinoma | 71 | 11 | 13 |  |
   Mucinous cancer | 39 | 4 | 6 |  |
   Mixture type | 2 | 0 | 0 |  |
Dukes' Staging# | Â | Â | Â | 0.008 |
   Stage I | 15 | 2 | 0 |  |
   Stage II | 57 | 5 | 7 |  |
   Stage III | 34 | 6 | 8 |  |
   Stage IV | 6 | 2 | 4 |  |
Degree of differentiation | Â | Â | Â | 0.169 |
   Well | 35 | 6 | 5 |  |
   Moderate | 58 | 3 | 6 |  |
   Poor | 11 | 6 | 8 |  |