Table 3. Correlations between metabolic parameters from FDG PET/CT scans and clinical prognostic parameters.
| Total MTV | TLG | |||
|---|---|---|---|---|
| r | p | r | p | |
| Hb | -0.275 | 0.0026* | -0.237 | 0.0097* |
| WBC | 0.087 | 0.3482 | 0.089 | 0.3401 |
| Platelet | 0.065 | 0.4836 | 0.089 | 0.3368 |
| Albumin | -0.488 | <0.0001* | -0.453 | <0.0001* |
| LDH | 0.624 | <0.0001* | 0.577 | <0.0001* |
| Creatinine | 0.182 | 0.0484* | 0.152 | 0.1003 |
| GOT | 0.369 | <0.0001* | 0.330 | 0.0003* |
| GPT | 0.040 | 0.6691 | 0.025 | 0.7897 |
| β2-microglobilin | 0.491 | <0.0001* | 0.424 | <0.0001* |
| Clinical Stage | 0.467 | <0.0001* | 0.435 | <0.0001* |
| IPI score | 0.551 | <0.0001* | 0.475 | <0.0001* |
| Revised IPI | 0.557 | <0.0001* | 0.491 | <0.0001* |
| Maximal SUVt | 0.368 | <0.0001* | 0.533 | <0.0001* |
| Total MTV | - | - | 0.969 | <0.0001* |
| TLG | 0.969 | <0.0001* | - | - |
* statistically significant
MTV: metabolic tumor volume; TLG: total lesion glycolysis; r: correlation coefficients; Hb: hemoglolin; WBC: white blood cell; LDH: lactate dehydrogenase; GOT: glutamate oxaloacetate transaminase; GPT: glutamate pyruvate transaminase; SUVt: standardized uptake value of tumor; IPI: international prognostic index.