Table 1.
Clinicopathologic features of 102 cases of gastric adenocarcinoma according their microsatellite instability status
| Variable | Non MSI cases (n = 92) |
MSI cases (n = 10) |
p-value |
|---|---|---|---|
| Sex – n (%) Female Male |
39 (42.4) 53 (57.6) |
4 (40) 6 (60) |
1.00 |
| Tumour site – n (%) Fundus Corpus Antrum |
10 (10.9) 40 (43.5) 42 (45.7) |
1 (10) 4 (40) 5 (50) |
0.570 |
| Clinical stage – n (%) I II III |
4 (4.3) 12 (13) 76 (82.7) |
1 (10) 5 (50) 4 (40) |
0.009 |
| Histologic subtype – n (%) Intestinal Diffuse Mixed |
39 (42.4) 45 (48.9) 8 (8.7) |
7 (70) 3 (30) – |
0.322 |
| Histologic grade – n (%) G1 G2 G3 |
4 (4.3) 17 (18.5) 71 (77.2) |
1 (10) 4 (40) 5 (50) |
0.129 |
| Chronic gastritis – n (%) No Yes |
8 (8.7) 84 (91.3) |
1 (10) 9 (90) |
1.00 |
| Helicobacter pylori – n (%) No Yes |
58 (63) 34 (37) |
7 (70) 3 (30) |
0.744 |
| Atrophy – n (%) No Yes |
82 (89.1) 10 (10.9) |
8 (80) 2 (20) |
0.334 |
| Metaplasia – n (%) No Yes |
59 (64.1) 33 (35.9) |
6 (60) 4 (40) |
0.603 |
| Her2 status – n (%) Negative Indeterminate Positive |
88 (95.7) 1 (1.1) 3 (3.3) |
9 (90) 0 1 (10) |
0.410 |