Table 2.
Performance | SERS | ||
---|---|---|---|
Disease | |||
Test | CA | Non-CA | Total |
Positive | 51 | 5 | 56 |
Negative | 3 | 52 | 55 |
Total | 54 | 57 | 111 |
95% CI | |||
Lower | Upper | ||
Sensitivity | 94.40% | 83.60% | 98.60% |
Specificity | 91.20% | 80% | 96.70% |
PPV | 91.10% | 79.60% | 96.70% |
NPV | 94.50% | 83.90% | 98.60% |
Abbreviations: CA, cancer; NPV, negative predictive value; PPV, positive predictive value; SERS, surface-enhanced Raman spectroscopy.