Table 1.
Distribution of colorectal cancer subtypes across different age groups.
| Variable | Young Adults (27–49 Years) |
Middle-Aged Adults (50–74 Years) |
Elderly Adults (75–88 Years) |
Total |
|---|---|---|---|---|
| C18 Malignant neoplasm of cecum | 3 | 21 | 6 | 30 3.71% (N = 808) |
| 10.0% | 70.0% | 20.0% | ||
| 3.03% (N = 99) | 3.41% (N = 616) | 6.45% (N = 93) | ||
| 0.37% (N = 808) | 2.6% (N = 808) | 0.74% (N = 808) | ||
| C18.2 Malignant neoplasm of ascending colon | 15 | 85 | 20 | 120 14.85% |
| 12.5% | 70.83% | 16.67% | ||
| 15.15% | 13.8% | 21.51% | ||
| 1.86% | 10.52% | 2.48% | ||
| C18.3 Malignant neoplasm of hepatic flexure | 4 | 48 | 5 | 57 7.05% |
| 7.02% | 84.21% | 8.77% | ||
| 4.04% | 7.79% | 5.38% | ||
| 0.5% | 5.94% | 0.62% | ||
| C18.4 Malignant neoplasm of transverse colon | 10 | 57 | 7 | 74 9.16% |
| 13.51% | 77.03% | 9.46% | ||
| 10.1% | 9.25% | 7.53% | ||
| 1.24% | 7.05% | 0.87% | ||
| C18.5 Malignant neoplasm of splenic flexure | 5 | 38 | 6 | 49 6.06% |
| 10.2% | 77.55% | 12.24% | ||
| 5.05% | 6.17% | 6.45% | ||
| 0.62% | 4.7% | 0.74% | ||
| C18.6 Malignant neoplasm of descending colon | 4 | 42 | 2 | 48 5.94% |
| 8.33% | 87.5% | 4.17% | ||
| 4.04% | 6.82% | 2.15% | ||
| 0.5% | 5.2% | 0.25% | ||
| C19 Malignant neoplasm of rectosigmoid junction | 10 | 60 | 6 | 76 9.41% |
| 13.16% | 78.95% | 7.89% | ||
| 10.1% | 9.74% | 6.45% | ||
| 1.24% | 7.43% | 0.74% | ||
| C20 Malignant neoplasm of rectum | 48 | 265 | 41 | 354 43.81% |
| 13.56% | 74.86% | 11.58% | ||
| 48.48% | 43.02% | 44.09% | ||
| 5.94% | 32.8% | 5.07% | ||
| Total | 99 | 616 | 93 | 808 |
| 12.25% | 76.24% | 11.51% | 100% |