Table 5. Multivariate analysis for survivals.
| Parameters | analysis for PFS b | analysis for OS b | ||||
|---|---|---|---|---|---|---|
| HR | 95%CI | P value | HR | 95%CI | P value | |
| MTV a | – | – | 0.151 | – | – | 0.103 |
| TLG a | 5.211 | 2.210-12.288 | <0.001 | 9.136 | 1.829-45.644 | 0.002 |
| NCCN-IPI | – | – | 0.433 | – | – | 0.083 |
| Ann Arbor stage | – | – | 0.094 | – | – | 0.069 |
| B symptoms | – | – | 0.344 | – | – | 0.478 |
| LDH level | – | – | 0.459 | – | – | 0.348 |
| Ki-67 | – | – | 0.902 | – | 0.478 | |
Abbreviations: PFS, progression-free survival; OS, overall survival; HR, hazard ratio; CI, confidence interval; MTV, metabolic tumor volume; TLG, total lesion glycolysis; NCCN-IPI, National Comprehensive Cancer Network-International Prognostic Index; LDH, lactate dehydrogenase.
a
MTV and TLG were dichotomized by cutoff values from ROC analysis.
b
Cox-regression model