Table 5. Accuracy of CT and MRI for Making Specific Diagnosis.
Diagnosis | No. of Patients | Reviewer 1 | Reviewer 2 | ||||
---|---|---|---|---|---|---|---|
CT | MR | P* | CT | MR | P* | ||
PDAC | 127 | 117 (92.1%) | 117 (92.1%) | 1.000 | 122 (96.1%) | 120 (94.5%) | 0.727 |
NET | 43 | 31 (72.1%) | 29 (67.4%) | 0.754 | 34 (79.1%) | 39 (90.7%) | 0.063 |
SPT | 10 | 7 (70.0%) | 9 (90.0%) | 0.500 | 9 (90.0%) | 9 (90.0%) | 1.000 |
Mass-forming AIP | 7 | 0 (0.0%) | 3 (42.9%) | 0.250 | 3 (42.9%) | 4 (57.1%) | 1.000 |
Metastasis | 6 | 5 (83.3%) | 4 (66.7%) | 1.000 | 5 (83.3%) | 5 (83.3%) | - |
Normal | 52 | 50 (96.2%) | 51 (98.1%) | 1.000 | 52 (100.0%) | 52 (100.0%) | - |
Overall | 245 | 210 (85.7%) | 213 (86.9%) | 0.736 | 225 (91.8%) | 229 (93.5%) | 0.454 |
*p-value was obtained between CT and MRI using McNemar test. AIP = autoimmune pancreatitis, NET = neuroendocrine tumor, PDAC = pancreatic ductal adenocarcinoma, SPT = solid pseudopapillary tumor