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| Ratio of relative peak intensity | Mean | N | P value | Cancer | Normal | Accuracy | Sensitivity | Specificity |
| I1585cm-1 | Cancer:0.88±0.44 | Cancer:15 | 0.04 | ≥0.72 | <0.72 | 73.3% | 80% | 67% |
| Normal:0.56±0.37 | Normal:15 | |||||||
| I1527cm-1 | Cancer:0.80±0.54 | Cancer:15 | 0.03 | ≥0.40 | <0.40 | 66.7% | 67% | 73% |
| Normal:0.42±0.31 | Normal:15 | |||||||
| I1585cm-1/I853cm-1(854cm-1) | Cancer:0.90±0.74 | Cancer:15 | 0.03 | ≥0.64 | <0.64 | 73.3% | 67% | 80% |
| Normal:0.42±0.29 | Normal:15 |
