Table 4.
The detection accuracy of CST4 in clinical serum samples
| Types | Number of samples
|
Accuracy (95% CIa) | ||
|---|---|---|---|---|
| Positive | Negative | Totality | ||
| GC | 60 | 23 | 83 | 72.3% (61.4%–81.6%) |
| CRC | 99 | 13 | 112 | 88.4% (81.0%–93.7%) |
| Negative control of GC | 67 | 284 | 351 | 80.9% (76.4%–84.9%) |
| Negative control of CRC | 66 | 297 | 363 | 81.8% (77.5%–85.7%) |
| Healthy control | 19 | 114 | 133 | 85.7% (78.6%–91.2%) |
Note:
a
CI values were calculated according to Wilson’s score CI.
Abbreviations: CRC, colorectal cancer; CST4, cystatin S; GC, gastric cancer.