Prediction of Overall Survival and Progression-Free Survival by the ¹⁸F-FDG PET/CT Radiomic Features in Patients with Primary Gastric Diffuse Large B-Cell Lymphoma

Table 5

Multivariate analysis (computed tomography).

	OS		PFS
	HR (95%CI)	value	HR (95%CI)	value
Histogram based
Kurtosis (≥101.9046 vs. <101.9046)	11.791 (1.583–87.808)	0.016	—	—
Shape based
Sphericity (≥0.6407 vs. <0.6407)	—	—	11.390 (1.360–95.371)	0.025
GLZLM
GLNU (≥90.9505 vs. <90.9505)	—	—	6.934 (1.069–44.981)	0.042
HGZE (≥9917.8935 vs. <9917.8935)	9.805 (1.359–70.747)	0.024	11.504 (1.921–68.888)	0.007

GLNU, gray-level nonuniformity for zone; HGZE, high gray-level zone emphasis; GLZLM, gray-level zone length matrix; PFS, progression-free survival; OS, overall survival; HR, hazard ratio; CI, confidence interval. Asterisk () indicates significance with a value of <0.05 (shown in bold).