Table 1 Texture parameters of adrenal gland in unenhanced CT.

From: Application of CT texture analysis to assess the localization of primary aldosteronism

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

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