Table 4.
Odds Ratio and Associated 95% Confident Intervals of Thymoma Diagnostic Probability According to Imaging Parameters.
| Qualitative parameter | MRI | CT | ||
|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |
| Shape (gland vs mass) | 41.43 | 0.07-2542.00 | 11.72 | 1.33-103.20 |
| Location (superior vs inferior) | 10.11 | 0.00-536.00 | - | - |
| Position (middle vs right, left) | 1.15 | 0.00-334.49 | 3.69 | 0.70-19.46 |
| Necrosis, cyst (no vs yes) | - | - | - | - |
| SI T2 fat suppression (low vs high) | - | - | - | - |
| SI loss (yes vs no) | - | - | - | - |
| CSR (per 0.1) | 8.80 | 1.36-56.93 | - | - |
| Attenuation (fat soft tissue, mixed) | - | - | 1.73 | 0.66-4.50 |
| Radiodensity (per 10 HU) | - | - | 1.07 | 0.82-1.40 |
Abbreviations: CI, confidence interval; CSR, chemical shift ratio; CT, computed tomography; MRI, magnetic resonance imaging; OR, odds ratio; SI, signal intensity.