TABLE 1.
Characteristics of patients with early‐onset colorectal cancer from the surveillance, epidemiology, and end‐result database by racial/ethnic groups
| EO‐CRC n = 16,545 | NHW n = 11,320 | NHB n = 2553 | Hispanic n = 2672 | p‐values for differences across groups | |
|---|---|---|---|---|---|
| NHW versus NHB | NHW versus Hispanic | ||||
| EO‐CRC/All CRC | 8.7% | 12.7% | 16.5% | <0.001 | <0.001 |
| Age, median (IQ) | 45 (40–47) | 45 (40–47) | 44 (38–47) | 0.75 | <0.001 |
| Age groups | |||||
| Less than 45 | 48.6% | 49.9% | 56.1% | 0.24 | <0.001 |
| From 45–49 | 51.4% | 50.1% | 43.9% | ||
| Gender | |||||
| Female | 46.5% | 51.9% | 46.9% | <0.001 | 0.67 |
| Male | 53.5% | 48.1% | 53.1% | ||
| Grade | |||||
| Well/moderate | 79% | 82% | 79.8% | 0.002 | 0.43 |
| Poor/anaplastic | 21% | 18% | 20.2% | ||
| Stage | |||||
| I–III | 76.3% | 70.7% | 74.7% | <0.001 | 0.08 |
| IV | 23.7% | 29.3% | 25.3% | ||
| Sidedness | |||||
| Right‐sided | 21.2% | 32.1% | 22.3% | <0.001 | 0.24 |
| Left‐sided | 78.8% | 67.9% | 77.7% | ||
±Early‐onset Colorectal Cancer was defined as diagnosis before age 50.
CI, Confidence Interval; IQ, 25%–75% interquartile range; NHB, Non‐Hispanic Black; NHW, Non‐Hispanic White.