Evaluation of brain white matter changes on MRI in patients newly diagnosed with obstructive sleep apnea compared with the control group

The Egyptian Journal of Bronchology

Table 2 Comparison of the mean risk factors of different changes in brain white matter between different ARWMC subgroups

Variables	ARWMC = 0 n = 27 (mean ± SD)	ARWMC = 1–2 n = 4 (mean ± SD)	ARWMC = 3–4 n = 5 (mean ± SD)	ARWMC > 4 n = 4 (mean ± SD)	p value^*
Age (year)	37.14 ± 6.07	43.87 ± 4.15	45.16 ± 2.31	46.25 ± 4.92	0.000
BMI (kg/m²)	27.45 ± 2.96	29.31 ± 3.21	33.83 ± 4.62	29.62 ± 3.44	0.000
FBS (mg/dl)	95.61 ± 9.67	96.75 ± 12.02	108.17 ± 8.18	107.00 ± 3.55	0.006
Systolic blood pressure (mm/Hg)	123.63 ± 5.80	126.00 ± 4.24	130.00 ± 4.47	126.25 ± 12.50	0.065
Diastolic blood pressure (mm/Hg)	78.32 ± 4.19	80.00 ± 3.77	80.00 ± 3.16	76.25 ± 4.78	0.434
ARWMC score	0	1.37 ± 0.51	3.66 ± 0.51	7.5 ± 3.31	0.000
Number of lesions	0	1.37 ± 0.51	3.66 ± 0.51	5.00 ± 0.81	0.000

Abbreviations: BMI body mass index, FBS, fasting blood sugar, ARWMC age-related white matter change
^*ANOVA and Kruskal–Wallis tests were used; p value < 0.05 was considered significant