Table 3.

Comparison of two segmentation methods

Variable		Value	Z	P	r	P
MTV			-5.303	<0.001*	0.821	<0.001*
	MTV40%	121.62 (52.95, 220.37)
	MTVtotal	236.35 (132.94, 354.86)
TLG			-5.303	<0.001*	0.935	<0.001*
	TLG40%	304.89 (133.32, 517.74)
	TLGtotal	442.85 (237.40, 713.71)
AUC-CSH			-4.971	<0.001*	0.630	<0.001*
	AUC-CSH40%	0.561±0.481
	AUC-CSHtotal	0.463±0.098

MTV metabolic tumour volume, TLG total lesion glycolysis, AUC-CSH areas under the curve of cumulative SUV-volume histogram, *P < 0.05