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Age distribution of the study cohorts
| Early-onset CRC | Later-onset CRC | Control | |
| N | 5710 | 63010 | 11800420 |
| Age, n (%) | |||
| 25-29 | 260 (5) | - | 2336260 (20) |
| 30-34 | 480 (8) | - | 2469830 (21) |
| 35-39 | 830 (15) | - | 2409750 (20) |
| 40-44 | 1400 (25) | - | 2187280 (19) |
| 45-49 | 2740 (48) | - | 2348440 (20) |
| 50-54 | - | 4370 (7) | - |
| 55-59 | - | 6210 (10) | - |
| 60-64 | - | 7400 (12) | - |
| 65-69 | - | 8550 (14) | - |
| 70-74 | - | 8920 (14) | - |
| 75-79 | - | 8400 (13) | - |
| 80-84 | - | 7290 (12) | - |
| 85-89 | - | 5830 (9) | - |
| 90+ | - | 4750 (8) | - |
CRC: Colorectal cancer.
