Table 7.

Multivariate analyses of overall survival using random forest algorithms

	Hazard ratio (95% CI)	p value
TLG	0.22–3.18	0.80
Shape sphericity	0.08–1.19	0.088
GLCM energy	0.11–1.56	0.19
GLRLM GLNU	0.44–5.17	0.51
GLZLM LZLGE	0.15–0.99	0.047
GLZLM GLNU	0.13–2.09	0.37

CI confidence interval, TLG total lesion glycolysis, GLCM grey-level co-occurrence matrix, GLRLM GLNU grey-level run length matrix grey-level nonuniformity for run, GLZLM grey-level zone length matrix, LZLGE long-zone low grey-level emphasis, (GLZLM) GLNU grey-level nonuniformity for zone