Table 3.

Accuracy of gene signatures that predict FDG uptake features in study cohort^a

Predicted FDG uptake feature	Accuracyb	Meta-genes (n)	Genes (n)
pSUVmax	0.774	15	508
pSUVmean	0.765	13	428
pSUVmedian	0.748	13	428
pSUVmin	0.762	18	612
pSUV90%	0.765	16	552
PSUV75%	0.777	14	458
pSUVsigma	0.765	16	555
pSUVvariance	0.804	12	387
pSUVskew	0.784	14	516
pSUVkurtosis	0.725	18	589
pSUVarea	0.866	11	300
pSUVpoints	0.875	10	270
pSUVMTV	0.871	10	270
pSUVTGV	0.854	11	315
pSUVPCA1	0.793	13	458
pSUVPCA2	0.765	16	473

^aPredicted features are denoted with a prefix “p” and are based on a linear combination of genes from the study cohort (see Methods)

^bAccuracy defined as 1- Σ²⁵ |pFDGfeature_x-FDGfeature_x|/Δrange.¹²