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Node variable importance scores of three protein biomarkers.
| Node | m/z | Sensitivity (%) | Specificity (%) | Variable importance scores |
|---|---|---|---|---|
| 1 | 3167.4 | 66.7 | 69.3 | 100 |
| 2 | 4071.1 | 55.6 | 62.7 | 85 |
| 3 | 7771.7 | 48.9 | 50.7 | 68 |
| 4 | 8140.5 | 44.4 | 42.7 | 55 |
m/z, mass-to-charge ratio.
