Table 1.
Summarizing of the distribution of CRCs according the cytokeratin profile and all studied variables; including p values of X-square test.
| CK7-CK20- | CK7-CK20 + | CK7 + CK20- | CK7 + CK20 + | Total | |
|---|---|---|---|---|---|
| Age group | |||||
| < 50 | 4 (25%) | 10 (62.5%) | 2 (12.5%) | 0 (0%) | 16 (100%) |
| 50–59 | 4 (9.8%) | 35 (81.4%) | 2 (4.7%) | 2 (4.7%) | 43 (100%) |
| 60–69 | 24 (24.5%) | 69 (70.4%) | 3 (3.1%) | 2 (2%) | 98 (100%) |
| 70–79 | 16 (18.4%) | 67 (77%) | 3 (3.4%) | 1 (1.1%) | 87 (100%) |
| 80 + | 12 (21.8%) | 40 (72.7%) | 0 (0%) | 3 (5.5%) | 55 (100%) |
| X-squared = 14.375, df = 12, P-value = 0.277 | |||||
| Sex | |||||
| F | 28 (21%) | 95 (71.5%) | 6 (4.5%) | 4 (3%) | 133 (100%) |
| M | 32 (19.2%) | 127 (76%) | 4 (2.4%) | 4 (2.4%) | 167 (100%) |
| X-squared = 1.518, df = 3, P-value = 0.678 | |||||
| UICC stage | |||||
| I + II | 31 (20.3%) | 113 (73.9%) | 4 (2.6%) | 5 (3.3%) | 153 (100%) |
| III + IV | 29 (19.7%) | 109 (74.1%) | 6 (4.1%) | 3 (2%) | 147 (100%) |
| X-squared = 0.919, df = 3, P-value = 0.820 | |||||
| Situs | |||||
| Cecum | 8 (18.6%) | 30 (69.8%) | 3 (7%) | 2 (4.7%) | 43 (100%) |
| Ascendens | 11 (30.6%) | 20 (55.6%) | 3 (8.3%) | 2 (5.6%) | 36 (100%) |
| Hepatic flexure | 6 (42.9%) | 8 (57.1%) | 0 (0%) | 0 (0%) | 14 (100%) |
| Transversum | 4 (28.6%) | 10 (71.4%) | 0 (0%) | 0 (0%) | 14 (100%) |
| Lienal flexure | 4 (40%) | 5 (50%) | 0 (0%) | 1 (10%) | 10 (100%) |
| Descendens | 3 (25%) | 7 (58.3%) | 2 (16.7%) | 0 (0%) | 12 (100%) |
| Sigmoideum | 10 (14.9%) | 56 (83.6%) | 1 (1.5%) | 0 (0%) | 67 (100%) |
| Rectosigmoideum | 2 (8%) | 23 (92%) | 0 (0%) | 0 (0%) | 25 (100%) |
| Rectum | 11 (14.5%) | 61 (80.3%) | 1 (1.3%) | 3 (3.9%) | 76 (100%) |
| Multiple | 1 (33.3%) | 2 (66.7%) | 0 (0%) | 0 (0%) | 3 (100%) |
| X-squared = 40.762, df = 27, P-value = 0.043 | |||||
| MMR | |||||
| Deficient | 12 (46.2%) | 12 (46.2%) | 2 (7.7%) | 0 (0%) | 26 (100%) |
| Proficient | 43 (15.7%) | 205 (74.8%) | 13 (4.7%) | 13 (4.7%) | 274 (100%) |
| X-squared = 15.101, df = 3, P-value = 0.002 | |||||
| Grade | |||||
| Low grade (1 + 2) | 44 (20%) | 164 (77%) | 7 (3%) | 2 (1%) | 217 (100%) |
| High grade (3) | 16 (23.2%) | 47 (68.1%) | 1 (1.4%) | 5 (7.2%) | 69 (100%) |
| X-squared = 9.721, df = 3, P-value = 0.021 | |||||
| Morphology | |||||
| Mucinous + signet ring | 2 (10.5%) | 15 (78.9%) | 1 (5.3%) | 1 (5.3%) | 19 (100%) |
| NOS | 58 (20.6%) | 207 (73.7%) | 9 (3.2%) | 7 (2.5%) | 281 (100%) |
| X-squared = 1.716, df = 3, P-value = 0.633 | |||||
| 5 years survival | |||||
| No | 17 (15.7%) | 79 (73.1%) | 7 (6.5%) | 5 (4.6%) | 108 (100%) |
| Yes | 41 (22.8%) | 134 (74.4%) | 3 (1.7%) | 2 (1.1%) | 180 (100%) |
| X-squared = 9.620, df = 3, P-value = 0.022 | |||||