Table 1.

Texture parameters of adrenal gland in unenhanced CT.

Parameter and SSF	With hypersecretion	Without hypersecretion	Comparison (p value)
Mean
0	14.1 ± 8.67	16.8 ± 10.2	0.082*
2	2.15 ± 2.05	2.92 ± 1.93	0.023**
4	3.89 ± 2.49	4.45 ± 2.55	0.179
Mpp
0	23.2 ± 5.15	25.5 ± 5.09	0.006**
2	32.4 ± 7.51	33.6 ± 8.56	0.392
4	23.6 ± 7.81	22.7 ± 7.74	0.504
SD
0	20.1 ± 3.04	20.8 ± 3.51	0.205
2	40.3 ± 8.91	41.5 ± 10.6	0.441
4	26.0 ± 8.30	24.9 ± 8.39	0.446
Entropy
0	4.10 ± 0.14	4.07 ± 0.16	0.172
2	4.55 ± 0.20	4.48 ± 0.25	0.034**
4	4.18 ± 0.29	4.08 ± 0.36	0.063*
Kurtosis
0	0.39 ± 0.53	0.33 ± 0.55	0.530
2	−0.03 ± 0.56	−0.12 ± 0.42	0.250
4	−0.59 ± 0.41	−0.66 ± 0.37	0.315
Skewness
0	−0.34 ± 0.25	−0.41 ± 0.24	0.089*
2	−0.17 ± 0.29	−0.22 ± 0.27	0.281
4	−0.01 ± 0.33	−0.08 ± 0.33	0.145

All values are shown as mean ± standard deviation. * are the parameters with p < 0.1, and **p < 0.0.