Table 4.
Summarizing table of McNemar test calculation to determine the statistical significant of accuracy between axial and multiplanar reconstruction computed tomography images in comparison to magnetic resonance imaging
| Uncorrect subjects staged with AX/MPR CT images | Correct subjects staged with AX/MPR CT images | Total of correct subjects staged with MRI | |
| Accuracy1 (P = 0.02) | |||
| Uncorrect subjects staged with MPR/AX | 9 | 2 | 11 |
| Correct subjects staged with MPR/AX | 11 | 69 | 80 |
| Total of correct subjects staged with MRI | 20 | 71 | 91 |
McNemar test: 2 × 2 contingency table, which tabulates the outcomes of the two tests (axial CT and MPR images) on a sample of n subjects (91 correct staged with MRI).
1
P = 0.02, two tails, statistically significant. MPR: Multiplanar reconstruction; MRI: Magnetic resonance imaging; CT: Computed tomography.