Table 2.
Cancer-specific properties by age groups.
| Variables | ≤35 n = 5021 (1.8%) |
36–55 n = 59,493 (21.9%) |
56–74 n = 122,115 (44.9%) |
≥75 n = 85,641 (31.5%) |
p-Value |
|---|---|---|---|---|---|
| Histology, n (%) | |||||
| Adenocarcinoma | 4148 (82.6) | 52801 (88.8) | 107,882 (88.3) | 73,637 (86.0) | <0.0001 |
| Goblet Cell | 6 (0.1) | 73 (0.1) | 123 (0.1) | 39 (0.05) | |
| Mixed Adenocarcinoma and Carcinoma | 2 (0.04) | 62 (0.1) | 140 (0.1) | 118 (0.14) | |
| Mucin Producing | 600 (12.0) | 5445 (9.2) | 11805 (9.7) | 10146 (11.9) | |
| Signet Ring | 265 (5.3) | 1112 (1.9) | 2165 (1.8) | 1701 (2.0) | |
| Location, n (%) | |||||
| Rt Colon | 1174 (23.4) | 14,828 (24.9) | 45,307 (37.1) | 43,354 (50.6) | <0.0001 |
| Transverse Colon | 303 (6.0) | 3050 (5.1) | 8132 (6.7) | 7763 (9.1) | |
| Lt Colon | 1635 (32.6) | 19,922 (33.5) | 34,380 (28.2) | 18,915 (22.1) | |
| Rectum | 1733 (34.5) | 20,386 (34.3) | 31,380 (25.7) | 13,339 (15.6) | |
| unknown | 176 (3.5) | 1307 (2.2) | 2916 (2.4) | 2270 (2.7) | |
| T Stage, n (%) | |||||
| T1 | 185 (3.68) | 2752 (4.63) | 4659 (3.82) | 1860 (2.17) | <0.0001 |
| T2 | 447 (8.9) | 6192 (10.4) | 11,692 (9.57) | 6462 (7.55) | |
| T3 | 2667 (53.1) | 32,503 (54.6) | 67,369 (55.2) | 47,695 (55.7) | |
| T4 | 943 (18.8) | 8534 (14.3) | 18,322 (15.0) | 14,958 (17.5) | |
| Tx | 764 (15.2) | 9382 (15.8) | 19,849 (16.3) | 14,558 (17.0) | |
| Microsatellite Instability, n (%) | |||||
| Negative | 965 (74.3) | 9661 (81.7) | 14,913 (78.8) | 7793 (69.9) | <0.0001 |
| Positive | 334 (25.7) | 2166 (18.3) | 4010 (21.2) | 3353 (30.1) | |
| MSI missing n = 229,075 | |||||