Table 3.
The predicted results of peptidome pattern distinguishing colorectal cancer patients from controls.
| Group | Colorectal cancer | Controls | Sensitivity (%) | Specificity (%) | Youden's index | |||
|---|---|---|---|---|---|---|---|---|
| Health | Colorectal adenoma | Esophageal carcinoma | Gastric cancer | |||||
| Model construction | 38 | 32 | — | — | — | 94.74% (36/38) | 100% (32/32) | 0.95 |
| External validation | ||||||||
| I | 34 | 33 | — | — | — | 94.12% (32/34) | 100% (33/33) | 0.94 |
| II | 34 | — | 16 | — | — | 94.12% (32/34) | 100% (16/16) | 0.94 |
| III | 34 | — | — | 36 | — | 94.12% (32/34) | 100% (36/36) | 0.94 |
| IV | 34 | — | — | — | 31 | 94.12% (32/34) | 100% (31/31) | 0.94 |