Table 2.
Disease characteristics of whole cohort.
| N | Total cohort | Validation set | Training set | |||
|---|---|---|---|---|---|---|
| 2483 | % | 691 | % | 1415 | % | |
| Colorectal cancer | 797 | 32.10 | 220 | 31.84 | 465 | 32.86 |
| CRC-1 | 161 | 6.48 | 45 | 6.51 | 91 | 6.43 |
| CRC-2 | 319 | 12.85 | 87 | 12.59 | 189 | 13.36 |
| CRC-3 | 222 | 8.94 | 61 | 8.83 | 135 | 9.54 |
| CRC-4 | 95 | 3.83 | 27 | 3.91 | 50 | 3.53 |
| Other cancers | ||||||
| Advanced adenoma | 306 | 12.32 | 82 | 11.87 | 169 | 11.94 |
| Breast cancer | 114 | 4.59 | 34 | 4.92 | 68 | 4.81 |
| Lung cancer | 140 | 5.64 | 51 | 7.38 | 80 | 5.65 |
| Non-advanced adenoma | 373 | 15.02 | 88 | 12.74 | 218 | 15.41 |
| Ovarian cancer | 32 | 1.29 | 10 | 1.45 | 15 | 1.06 |
| Prostate cancer | 91 | 3.66 | 25 | 3.62 | 50 | 3.53 |
| Stomach cancer | 32 | 1.29 | 8 | 1.16 | 21 | 1.48 |
| Bladder cancer | 25 | 1.01 | 9 | 1.30 | 13 | 0.92 |
| Control | ||||||
| Standard | 531 | 21.39 | 149 | 21.56 | 291 | 20.57 |
| Rheumatoid arthritis | 20 | 0.81 | 7 | 1.01 | 11 | 0.78 |
| Peptic ulcer | 12 | 0.48 | 6 | 0.87 | 6 | 0.42 |
| COPD | 10 | 0.40 | 2 | 0.29 | 8 | 0.57 |