Prognostic Value of Functional Parameters of ¹⁸F-FDG-PET Images in Patients with Primary Renal/Adrenal Lymphoma

Table 2

Area under ROC curves (AUCs) and optimal thresholds of ¹⁸F-FDG-PET and texture parameters to predict OS.

Parameters	AUC	95% confidence intervals	value	Optimal cutoff value
^18F-FDG-PET
SUVmax	0.578	0.308–0.847	0.568	7.37
SUVmean	0.589	0.318–0.86	0.514	7.00
MTV	0.722	0.487–0.957	0.102	88.80
TLG	0.733	0.506–0.961	0.086	13.05
Texture analysis
GLCM_Correlation	0.867	0.703–1.000	0.007	0.66
GLRLM_HGRE	0.794	0.576–1.000	0.030	171.95
GLRLM_SRHGE	0.778	0.553–1.000	0.041	163.20
GLRLM_LRHGE	0.800	0.585–1.000	0.027	215.80
GLRLM_RLNU	0.878	0.719–1.000	0.006	216.60
GLZLM_HGZE	0.778	0.555–1.000	0.041	205.05
GLZLM_GLNU	0.844	0.661–1.000	0.011	2.90
GLZLM_ZLNU	0.856	0.685–1.000	0.009	9.75
HISTO_Entropy	0.800	0.582–1.000	0.027	12.60
GLCM_Entropy	0.867	0.695–1.000	0.007	71.14