TABLE 1.
Demographics and clinical characteristics of colorectal cancer patients
| Characteristics | Level | Number (%) |
|---|---|---|
| Age at diagnosis | Mean ± SD | 66.7 ± 13.7 |
| Median (IQR) | 67.0 (57.0‐77.0) | |
| <60 | 46 873 (32.9) | |
| ≥60 | 95 470 (67.1) | |
| Race | White | 112 754 (79.2) |
| Black | 16 109 (11.3) | |
| Other | 13 480 (9.5) | |
| Gender | Female | 68 409 (48.1) |
| Male | 73 934 (51.9) | |
| Site | Right colon | 70 313 (49.4) |
| Left colon | 47 471 (33.3) | |
| Rectum | 24 559 (17.3) | |
| CEA | Positive | 34 939 (24.5) |
| Negative | 48 655 (34.2) | |
| Other | 58 749 (41.3) | |
| Grade | I | 12 227 (8.6) |
| II | 104 155 (73.2) | |
| III | 21 649 (15.2) | |
| IV | 4312 (3.0) | |
| Histological type | AD | 129 979 (91.3) |
| MAD | 11 031 (7.7) | |
| SRCC | 1333 (1.0) | |
| Tumor size | <5 | 78 519 (55.2) |
| ≥5 | 63 824 (44.8) | |
| LNH | <12 | 29 805 (20.9) |
| ≥12 | 112 538 (79.1) | |
| T stage | T1 | 23 087 (16.2) |
| T2 | 21 813 (15.3) | |
| T3 | 75 209 (52.9) | |
| T4 | 22 234 (15.6) | |
| N stage | N0 | 83 096 (58.4) |
| N1 | 37 387 (26.3) | |
| N2 | 21 860 (15.3) | |
| M stage | M0 | 125 732 (88.3) |
| M1 | 16 611 (11.7) | |
| pTNM | I | 37 535 (26.4) |
| II | 42 501 (29.8) | |
| III | 45 696 (32.1) | |
| IV | 16 611 (11.7) | |
| Liver metastasis | No | 130 813 (91.9) |
| Yes | 11 530 (8.1) | |
| Lung metastasis | No | 139 595 (98.1) |
| Yes | 2748 (1.9) | |
| Bone metastasis | No | 141 931 (99.7) |
| Yes | 412 (0.3) | |
| Brain metastasis | No | 142 221 (99.9) |
| Yes | 122 (0.1) |
Abbreviations: SD, standard deviation; IQR, interquartile range; CEA, carcinoembryonic antigen; AD, adenocarcinoma; MAD, mucinous adenocarcinoma; SRCC, signet‐ring cell carcinoma; LNH, lymph node harvested.