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 7

Correlation between indices and volume (computed tomography).

Index	Volume
Kurtosis	0.606
GLNUGLRLM	0.981
RLNUGLRLM	0.992
LZE	0.849
HGZE	−0.366
LZLGE	0.848
LZHGE	0.851
GLNUGLZLM	0.953
ZP	−0.349

GLNU, gray-level nonuniformity; RLNU, run length nonuniformity; LZE, long-zone emphasis; HGZE, high gray-level zone emphasis; LZLGE, long-zone low gray-level emphasis; LZHGE, long-zone high gray-level emphasis; ZP, zone length nonuniformity zone percentage.