Table 3.
Univariate and multivariate Cox regression analyses of factors associated with OS.
| Variables | Median OS (month) | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|---|
| HR (95% CI) | p | HR (95% CI) | p | |||
| Age (year) | <50 | 20.63 | 0.745 | |||
| ≥50 | 17.55 | |||||
| Gender | Male | 17.00 | 0.347 | |||
| Female | 22.00 | |||||
| Location | Kidney | 14.00 | 0.432 | |||
| Adrenal gland | 17.50 | |||||
| Kidney + adrenal gland | 20.00 | |||||
| Ann Arbor stage | I∼III | 27.44 | 11.150 (1.220–101.924) | 0.033∗ | ||
| IV | 11.10 | |||||
| Subtype/origin | B cell | 21.62 | 0.244 | |||
| T cell | 2.00 | |||||
| NK cell | 15.00 | |||||
|
| ||||||
| 18 F-FDG-PET parameters | ||||||
| SUVmax | <7.37 | 25.20 | 0.264 | |||
| ≥7.37 | 16.57 | |||||
| SUVmean | <7.00 | 23.25 | 0.575 | |||
| ≥7.00 | 15.64 | |||||
| MTV | <88.80 | 21.13 | 5.044 (0.983–25.882) | 0.052 | ||
| ≥88.80 | 10.25 | |||||
| TLG | <13.05 | 31.00 | 0.065 | |||
| ≥13.05 | 15.60 | |||||
|
| ||||||
| Texture features | ||||||
| GLCM_Correlation | <0.695 | 22.38 | 5.089 (0.911–28.421) | 0.064 | ||
| ≥0.695 | 11.17 | |||||
| GLRLM_HGRE | <171.95 | 28.13 | 0.076 | |||
| ≥171.95 | 12.09 | |||||
| GLRLM_SRHGE | <163.2 | 28.13 | 0.076 | |||
| ≥163.2 | 12.09 | |||||
| GLRLM_LRHGE | <215.8 | 28.13 | 0.076 | |||
| ≥215.8 | 12.09 | |||||
| GLRLM_RLNU | <216.6 | 25.00 | 9.016 (1.041–78.112) | 0.046∗ | 9.016 (1.041–78.112) | 0.046∗ |
| ≥216.6 | 10.38 | |||||
| GLZLM_HGZE | <205.05 | 28.13 | 0.076 | |||
| ≥205.05 | 12.09 | |||||
| GLZLM_GLNU | <2.9 | 30.43 | 9.366 (1.096–80.051) | 0.041∗ | ||
| ≥2.9 | 12.08 | |||||
| GLZLM_ZLNU | <9.75 | 28.13 | 0.076 | |||
| ≥9.75 | 12.09 | |||||
| HISTO_Entropy | <12.6 | 28.13 | 0.076 | |||
| ≥12.6 | 12.09 | |||||
| GLCM_Entropy | <71.14 | 27.22 | 5.639 (1.051–30.244) | 0.044∗ | ||
| ≥71.14 | 11.30 | |||||
∗ p < 0.05.