Table 3 Performance of DLSCT and MRI for staging pT1 and pT2 rectal cancers
| Â | Accuracy (95%CI) | Overstaged Ratio | Understaged Ratio | Sensitivity | Specificity |
|---|---|---|---|---|---|
DLSCT | Â | Â | Â | Â | Â |
 pT1 (n = 14) | 50.00% (0.218–0.782) | 0% | 50.00% | 42.86% | 88.68% |
 pT2 (n = 53) | 82.60% (0.716–0.936) | 17.40% | 0% | 71.70% | 42.86% |
Total | 65.67% (0.543–0.771) | 25.37% | 8.96% | 57.28% | 65.77% |
MRI | Â | Â | Â | Â | Â |
 pT1 (n = 14) | 61.54% (0.352–0.876) | 0% | 38.46% | 57.14% | 90.57% |
 pT2 (n = 53) | 87.00% (0.772–0.967) | 13.00% | 0% | 75.47% | 57.14% |
Total | 71.64% (0.609–0.824) | 20.9% | 7.46% | 66.31% | 73.86% |