Table 4. Variance and standard deviation of CT, MRI, and 18FDG-PET/CT volumes.
| Patient | CT | MRI | 18FDG-PET | |||
|---|---|---|---|---|---|---|
|
|
|
|
||||
| Variance | Standard deviation | Variance | Standard deviation | Variance | Standard deviation | |
| 1-a | 6.5 | 2.5 | 12.96 | 3.6 | 7.65 | 2.77 |
| 1-b | 1.1 | 1.05 | 17.03 | 4.1 | 1.06 | 1.03 |
| 1-c | 16.2 | 4.03 | 15.5 | 3.9 | 37.2 | 6.1 |
| 2 | 412.8 | 20.3 | 207.4 | 14.4 | 828.03 | 28.8 |
| 3 | 13.8 | 3.71 | 0.4 | 0.6 | 0.06 | 0.25 |
| 4 | 0.001 | 0.03 | 0.0003 | 0.02 | ||
| 5-a | 0.5 | 0.7 | 0.8 | 0.92 | ||
| 5-b | 0.5 | 0.7 | 0.003 | 0.06 | ||
| 6 | 0.02 | 0.14 | 0.01 | 0.1 | ||
| 7 | 59.2 | 7.7 | 18.5 | 4.3 | ||
CT: Computed tomography; MRI: Magnetic resonance imaging; 18 FDG PET/CT: 18fludesoxyglucose positron emission tomography/computed tomography