Table 1.
Comparison of sensitivity and specificity of different examination methods.
| Examination methods \ course and stage | Sensitivity | Specificity | ||
|---|---|---|---|---|
| Phase I/I-II | Phase II | Phase I/I-II | Phase II | |
| Electronic gastroscope | 78.6 ± 0.6 | 80.6 ± 0.5 | 79.3 ± 0.6 | 81.4 ± 0.6 |
| ECT | 92.3 ± 0.9 | 94.5 ± 0.8 | 93.6 ± 0.7 | 95.3 ± 0.6 |
| PET-CT | 96.9 ± 0.8 | 98.4 ± 0.7 | 97.1 ± 0.8 | 98.9 ± 0.8 |
| Reference group synthesis | 96.3 ± 0.9 | 97.6 ± 0.8 | 95.4 ± 0.7 | 97.1 ± 0.8 |
| Observation group synthesis | 98.2 ± 0.8 | 99.9 ± 1.0 | 98.7 ± 0.9 | 99.8 ± 1.2 |
| Comprehensive evaluation t value | 8.465 | 9.152 | 8.863 | 9.068 |
| Comprehensive evaluation p value | 0.004 | 0.007 | 0.005 | 0.006 |