Table 3 Overall and site specific sensitivity and specificity of contrast CT and fusion PET/CT
From: The role of PET/CT in detection of gastric cancer recurrence
Site | Contrast CT | Fusion PET/CT | p-value | |
|---|---|---|---|---|
Overall | Sensitivity (%) | 89.4(34/38) | 68.4(26/38) | 0.057* |
| Â | Specificity (%) | 64.2(9/14) | 71.4(10/14) | 1.0* |
| Â | PPV(%) | 87.1(34/39) | 86.6(26/30) | 1.0 |
Remnant stomach or anastomosis site | Sensitivity (%) | 42.85(4/7) | 100(7/7) | 0.13* |
| Â | Specificity (%) | 95.5(43/45) | 93.3(42/45) | 1.0* |
| Â | PPV(%) | 60.0(3/5) | 70.0(7/10) | 1.0 |
Lymph-node | Sensitivity (%) | 90(18/20) | 70(14/20) | 0.21* |
| Â | Specificity (%) | 87.5(28/32) | 96.8(31/32) | 0.25* |
| Â | PPV(%) | 81.8(18/22) | 93.3(14/15) | 0.63 |
Peritoneum | Sensitivity (%) | 86.6(13/15) | 46.6(8/15) | 0.039* |
| Â | Specificity (%) | 91.9(34/37) | 94.2(35/37) | 1.0* |
| Â | PPV(%) | 82.3(13/16) | 80.0(8/10) | 1.0 |
Liver | Sensitivity (%) | 50.0(3/6) | 66.6(4/6) | 1.0* |
| Â | Specificity (%) | 100(46/46) | 97.8(45/46) | 1.0* |
| Â | PPV(%) | 100(3/3) | 80.0(4/5) | 1.0 |