TABLE 3

Bland–Altman and Spearman Rank Correlation Results for Comparison of Static and Parametric ¹⁸F-FDG PET Images

	% difference		Bland–Altman					Spearman
Parameter	Mean	SD	P (H0: mean = 0)	LL	95% CI for LL	UL	95% CI for UL	r	P	95% CI
MATV^* (cm³)	−2.31	6.64	0.14	−15.32	−20.72, −9.91	10.71	5.30, 16.11	0.96	<0.0001	0.90, 0.99
CIH_AUC	2.39	16.52	0.53	−29.99	−43.43, −16.55	34.77	21.33, 48.21	0.75	0.0002	0.45, 0.89
Entropy	−0.30	2.09	0.53	−4.39	−6.09, −2.69	3.80	2.10, 5.49	0.91	<0.0001	0.78, 0.96
Homogeneity	0.64	11.91	0.81	−22.71	−32.40, −13.02	23.99	14.30, 33.68	0.70	0.0006	0.38, 0.87
Dissimilarity	−1.13	16.30	0.76	−33.08	−46.34, −19.82	30.82	17.55, 44.08	0.78	<0.0001	0.52, 0.91
High-intensity emphasis	0.32	20.89	0.95	−40.63	−57.63, −23.63	41.27	24.27, 58.26	0.77	0.0001	0.51, 0.91
Zone percentage	1.04	3.65	0.22	−6.11	−9.07, −3.14	8.18	5.22, 11.15	0.74	0.0002	0.44, 0.89
SUV_max/maximum K_i	—	—	—	—	—	—	—	0.90	<0.0001	0.76, 0.96
TLG/MRV^*	—	—	—	—	—	—	—	0.98	<0.0001	0.94, 0.99

↵* TLG/MRV and MATV were log-transformed.
H₀ = the null hypothesis; CI = confidence interval; CIH_AUC = area under curve of cumulative intensity histogram.