Table 5.
Imaging modality | TP | TN | FP | FN | Accuracy | Comparison of accuracy: P value, sign test with Bonferroni correction | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
vs. CT | vs. US | vs. MIBI | vs. CT and US | vs. CT and MIBI | vs. US and MIBI | ||||||
CT | 43 | 0 | 0 | 47 | 0.478 | ref | — | — | — | — | — |
US | 33 | 0 | 0 | 57 | 0.367 | 0.999 | ref | — | — | — | — |
MIBI | 27 | 0 | 0 | 63 | 0.300 | 0.210 | 0.999 | ref | — | — | — |
CT and US | 54 | 0 | 0 | 36 | 0.600 | 0.021 | <0.001 | <0.001 | ref | — | — |
CT and MIBI | 52 | 0 | 0 | 38 | 0.578 | 0.084 | 0.021 | <0.001 | 0.999 | ref | — |
US and MIBI | 44 | 0 | 0 | 46 | 0.489 | 0.999 | 0.021 | <0.001 | 0.441 | 0.999 | ref |
CT, US, and MIBI | 57 | 0 | 0 | 33 | 0.633 | <0.001 | <0.001 | <0.001 | 0.999 | 0.999 | <0.001 |
TP, True positive; TN, True negative; FP, False positive; FN, False negative; ref, reference; CT, computed tomography; US, ultrasonography; MIBI, Tc—99m sestamibi scan.
Bold face font denotes statistically significant P-values.