Contribution of diffusion weighted MRI to diagnosis and staging in gastric tumors and comparison with multi-detector computed tomography
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22 lut 2017
O artykule
Kategoria artykułu: Research Article
Data publikacji: 22 lut 2017
Zakres stron: 23 - 29
Otrzymano: 07 lut 2016
Przyjęty: 24 sie 2016
DOI: https://doi.org/10.1515/raon-2017-0002
Słowa kluczowe
© 2017 Harun Arslan, Mehmet Fatih Özbay, İskan Çallı, Erkan Doğan, Sebahattin Çelik, Abdussamet Batur, Aydın Bora, Alpaslan Yavuz, Mehmet Deniz Bulut, Mesut Özgökçe, Mehmet Çetin Kotan
This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Effectiveness of DWI and MDCT in T staging according to surgical pathology result
| Sensitivity | 72.7% | 71.0% | 55.6% | |
| Specificity | 77.5% | 80.0% | 92.9% | |
| PPV | 47.1% | 84.6% | 62.5% | |
| NPV | 91.2% | 64.0% | 90.7% | |
| Kappa (p) | 0.419 (0.002) | 0.488 (< 0.001) | 0.506 (< 0.001) | |
| Sensitivity | 63.6% | 74.2% | 66.7% | |
| Specificity | 77.5% | 80.0% | 95.2% | |
| PPV | 43.8% | 85.2% | 75.0% | |
| NPV | 88.6% | 66.7% | 93.0% | |
| Kappa (p) | 0.353 (0.009) | 0.523 (< 0.001) | 0.647 (< 0.001) | |
Efficiency of DWI and MDCT in N staging according to surgical pathology result
| Sensitivity | 75.0% | 79.3% | 60.0% | |
| Specificity | 84.6% | 77.3% | 97.6% | |
| PPV | 60.0% | 82.1% | 85.7% | |
| NPV | 91.7% | 73.9% | 90.9% | |
| Kappa (p) | 0.549 (< 0.001) | 0.563 (< 0.001) | 0.649 (< 0.001) | |
| Sensitivity | 66.7% | 69.0% | 50.0% | |
| Specificity | 82.1% | 68.2% | 90.2% | |
| PPV | 53.3% | 74.1% | 55.6% | |
| NPV | 88.9% | 62.5% | 88.1% | |
| Kappa (p) | 0.448 (0.001) | 0.367 (0.008) | 0.418 (0.003) | |