TABLE 1.
Demographic and clinicopathological characteristics of the included CRC patients.
| Characteristics | Number (%) |
| Total | 197,699 |
| Year of diagnosis | |
| 2007–2010 | 89,006 (45.0) |
| 2011–2015 | 108,693 (55.0) |
| Age | |
| <65 | 98,682 (49.9) |
| ≥65 | 99,017 (50.1) |
| Sex | |
| Female | 95,030 (48.1) |
| Male | 102,669 (51.9) |
| Race | |
| Black | 23,557 (11.9) |
| White | 156,015 (78.9) |
| Other | 18,127 (9.2) |
| Marital status | |
| Married | 111,210 (56.3) |
| Unmarried | 86,489 (43.7) |
| Insurance | |
| Any Medicaid | 24,892 (12.6) |
| Insured | 165,937 (83.9) |
| Uninsured | 6,870 (3.5) |
| Tumor site | |
| Left | 101,144 (51.2) |
| Right | 93,632 (47.4) |
| NOS | 2,923 (1.5) |
| Tumor size | |
| ≤5 cm | 112,065 (56.7) |
| 5–10 cm | 52,078 (26.3) |
| >10 cm | 33,556 (17.0) |
| Grade | |
| Grade I | 21,461 (10.9) |
| Grade II | 137,501 (69.6) |
| Grade III | 33,300 (16.8) |
| Grade IV | 5,437 (2.8) |
| SEER stage | |
| Localized | 77,655 (39.3) |
| Regional | 81,662 (41.3) |
| Distant | 38,382 (19.4) |
| Surgery | |
| No | 18,599 (9.4) |
| Yes | 179,100 (90.6) |
| Radiotherapy | |
| No | 168,962 (85.5) |
| Yes | 28,737 (14.5) |
| Chemotherapy | |
| No | 115,753 (58.6) |
| Yes | 81,946 (41.4) |
| Causes | |
| Alive | 118,244 (59.8) |
| Death form CRC | 9,702 (4.9) |
| Death form CVD | 56,185 (28.4) |
| Death form non-CVD | 13,568 (6.9) |
Other, American Indian/Alaska Native/Asian/Pacific Islander; NOS, not otherwise specified; SEER, Surveillance, Epidemiology, and End Results; CRC, colorectal cancer; CVD, cardiovascular death.