Implication of Microsatellite Instability Pathway in Outcome of Colon Cancer in Moroccan Population

Table 1

Clinicopathological features of 330 patients.

Variables	(%)
Age (mean)
<50	123 (37.3%)
>50	207 (62.7%)
Sex
Female	156 (47.3%)
Male	174 (52.7%)
Tumor site
Right colon	76 (23.0%)
Left colon	254 (77.0%)
Histologic subtype
Adenocarcinoma	278 (84.2%)
Mucinous adenocarcinoma	29 (8.8%)
Others	23 (7%)
Histologic grade
Well	173 (52.4%)
Moderate	128 (38.8%)
Poor	28 (8.5%)
Unknown	1 (0.3%)
Perineural invasion
Yes	27 (8.2%)
No	272 (82.4%)
Unknown	31 (9.4%)
Vascular invasion
Yes	39 (11.8%)
No	291 (88.2%)
Disease stage
I	28 (8.5%)
II	161 (48.4%)
III	73 (22.1%)
IV	68 (20.6%)
MSI status
MSS	293 (88.8%)
MSI	37 (11.2%)

: number of cases; SD: standard deviation; MSS: microsatellite stable; MSI: microsatellite instability.