Table 1.

The mean fractal dimension values according to total sample, gender, age and case-control groups

	ROI1	p value	ROI2	p value	ROI3	p value
Total	1.25 (1.00–1.49)		1.20 (1.00–1.37)		1.13 (0.81–1.35)	0.000* †╪
Gender
Female	1.26 (1.01–1.49)	0.629	1.20 (1.00–1.35)	0.448	1.14 (0.88–1.35)	0.203
Male	1.24 (1.00–1.43)		1.19 (1.00–1.37)		1.11 (0.81–1.29)
Age Groups
4–10 years	1.26 (1.00–1.49)	0.578	1.19 (1.00–1.35)	0.604	1.14 (0.90–1.35)	0.619
11–17 years	1.24 (1.00–1.44)		1.20 (1.00–1.37)		1.12 (0.81–1.35)
Case-Control Groups
Case	1.24 (1.00–1.49)	0.589	1.20 (1.00–1.34)	0.854	1.04 (0.80–1.23)	0.000* ╫
Control	1.25 (1.00–1.44)		1.20 (1.00–1.37)		1.14 (0.71–1.35)

*p < 0.01, ^╪ Wilcoxon test, ^╫ Mann-Whitney U test