Table 2. Patient-based analysis (n=134).
| Variables | Pathology | Sensitivity (95% CI) | Accuracy (95% CI) | PPV (95% CI) | |||
|---|---|---|---|---|---|---|---|
| Positive | Negative | ||||||
| PET/CT (n=73) | |||||||
| Positive | 64 | 8 | 98.5% | 87.7% | 88.9% | ||
| Negative | 1 | 0 | (91.8%–99.7%) | (80.1%–95.2%) | (79.6%–94.3%) | ||
| CECT (n=129) | |||||||
| Positive | 115 | 10 | 96.6% | 89.1% | 92.0% | ||
| Negative | 4 | 0 | (91.7%–98.7%) | (83.8%–94.5%) | (85.9%–95.6%) | ||
| Both PET/CT & CECT (n=68) | |||||||
| PET/CT | |||||||
| Positive | 59 | 8 | 98.3% | 86.8% | 88.1% | ||
| Negative | 1 | 0 | (91.1%–99.7%) | (78.7%–94.8%) | (78.2%–93.8%) | ||
| CECT | |||||||
| Positive | 60 | 8 | 100% | 88.2% | 88.2% | ||
| Negative | 0 | 0 | (94.0%–100.0%) | (80.6%–95.9%) | (78.5%–93.9%) | ||
CECT, contrast-enhanced computed tomography; CI, confidence interval; PET/CT, positron emission tomography/computed tomography; PPV, positive predictive value.