Table 5.

Bland–Altman table for the highest radiomic features as a function of PET image reconstruction algorithms (RA)

Feature	RA pairs	Mean ± SD	LRL	URL	Level of reproducibility
IDM	OSEM‐FOREIR	−0.04 ± 15.67	−0.34	0.37	High
	OSEM‐FOREFBP	−0.31 ± 10.34	−0.26	0.26
	OSEM‐3DRP	−1.02 ± 10.17	−0.14	0.014	Intermediate
ID	OSEM‐FOREIR	0.15 ± 0.99	−0.44	0.76	High
	OSEM‐FOREFBP	−0.31 ± 0.97	−0.54	0.52
	OSEM‐3DRP	4.33 ± 1.42	−0.49	0.21	Intermediate
SRE	OSEM‐FOREIR	−0.09 ± 0.48	−4.25	11.46	High
	OSEM‐FOREFBP	0.83 ± 3.37	−8.76	4.10
	OSEM‐3DRP	−23.04 ± 8.18	−12.42	4.82	NR
RPC	OSEM‐FOREIR	−0.30 ± 8.24	−7.88	19.94	High
	OSEM‐FOREFBP	−0.22 ± 20.25	−17.77	9.70
	OSEM‐3DRP	−25.61 ± 31.60	−26.45	13.56	Intermediate
Meanb	OSEM‐FOREIR	−0.29 + 8.87	−1.30	0.73	High
	OSEM‐FOREFBP	−4.92 + 8.45	−15.36	5.52
	OSEM‐3DRP	1.96 + 8.08	−28.55	32.47	Intermediate
Entropya	OSEM‐FOREIR	−1.44 ± 16.66	8.90	28.65	High
	OSEM‐FOREFBP	−0.39 ± 17.22	−30.28	3.19
	OSEM‐3DRP	−29.47 ± 17.99	−43.05	−1.17	NR
Summation entropy	OSEM‐FOREIR	−9.06 ± 14.29	7.84	29.44	High
	OSEM‐FOREFBP	−10.61 ± 14.55	−30.44	3.43
	OSEM‐3DRP	−19.35 ± 10.74	−43.16	−0.80	Intermediate
Difference entropya	OSEM‐FOREIR	5.31 ± 10.01	6.00	30.06	High
	OSEM‐FOREFBP	8.93 ± 10.62	−30.72	4.42
	OSEM‐3DRP	10.72 ± 19.07	−45.84	2.75	Intermediate
IMC2	OSEM‐FOREIR	−1.41 ± 2.01	−5.44	32.48	High
	OSEM‐FOREFBP	−1.29 ± 2.47	−31.98	3.31
	OSEM‐3DRP	4.96 ± 3.82	−51.87	3.15	Intermediate
LRE	OSEM‐FOREIR	1.21 ± 0.48	−54.19	21.87	High
	OSEM‐FOREFBP	0.83 ± 3.37	−19.52	39.58
	OSEM‐3DRP	−23.04 ± 8.18	−22.01	54.70	NR

LRL and URL, lower and upper reproducibility limits, respectively; ID, IDM, Inverse Difference, and Inverse Difference Moment; IMC, Information Correlation; RPC, Run Percentage; SRE, Short Run Emphasis; LRE, Long Run Emphasis.

^aEntropy and difference entropy are corrected for GL dependence.

^bCorrected for volume and gray‐level dependence.