Table 2. Results of Wilcoxon signed-ranks tests for PET/HCT and PET/ACT parameters.

Variables	PET/HCT			PET/ACT			P
	Mean	SD	Range	Mean	SD	Range
SUVmax	11.12	5.95	3.03–36.05	11.29	6.03	3.08–36.74	0.009
SUV mean	5.05	2.16	2.01–13.03	5.16	2.22	2.01–13.80	<0.001
TLG	273.5	378.5	2.7–1802.8	287.0	403.3	2.6–1846.7	<0.001
Texture parameters
SUV entropy	3.71	0.26	2.66–4.02	3.72	0.26	2.74–4.01	0.516
Uniformity	0.003	0.004	0.001–0.02	0.003	0.003	0.001–0.02	0.853
Entropy	6.35	0.82	3.76–7.30	6.35	0.81	3.97–7.28	0.734
Dissimilarity	8.83	2.71	4.85–19.13	8.84	2.76	4.65–19.21	0.766
Homogeneity	0.19	0.04	0.12–0.27	0.19	0.04	0.12–0.28	0.969
Coarseness	0.030	0.022	0.002–0.09	0.030	0.02	0.002–0.09	0.780
Busyness	0.222	0.296	0.021–1.528	0.224	0.303	0.020–1.503	0.411
Contrast	0.081	0.335	0.0004–2.336	0.075	0.307	0.0004–2.136	0.382
Complexity	52.35	68.94	0.98–277.8	51.26	64.22	0.95–273.4	0.256
Grey-level nonuniformity	9.67	11.78	1.00–67.36	9.73	11.89	1.12–66.15	0.714
Zone-size nonuniformity	214.9	231.6	10.2–1231.3	214.1	232.8	15.1–1262.4	0.914
High grey-level large zone emphasis	2564	1461	1012–7223	2685	1652	891–10488	0.154

SUV, standardized uptake value; TLG: total lesion glycolysis.