. Author manuscript; available in PMC: 2020 Dec 29.

Published in final edited form as: Phys Med. 2018 Feb 21;46:180–188. doi: 10.1016/j.ejmp.2017.10.009

Table 2.

Results of independent t-test and descriptive statistics for some of the highly predictive radiomic features in association with the development of distant metastasis (DM). Standardized maximum and peak uptake values (SUV_MAX and SUV_PEAK) are reported for comparison.

	Lavene’s F-test^*		t-test for Equality of Means
	F	p > .05	t	df	p < .05	Mean Diff.	95% CI LB	95% CI UB
2nd-order Mean	1.72	.19	2.21	78	.030	0.13	0.01	0.24
SZV	3.60	.06	2.08	78	.040	0.08	0.04	0.17
SAE	2.45	.12	1.99	78	.049	0.15	0.00	0.30
Texture Strength	3.47	.07	−2.97	78	.004	0.17	0.07	0.25
Tumor Vol.	1.86	.18	2.12	78	.037	0.11	0.01	0.22
Surface Area	3.86	.05	3.61	78	.001	0.18	0.08	0.29
SUV_MAX	0.38	.54	2.05	78	.047	0.23	0.00	0.45
SUV_PEAK	0.20	.90	2.31	78	.028	0.13	0.015	0.25

Equal variances assumed.