Cognitive functions and behavioural profiles in children with cystinosis treated with cysteamine and correlation with treatment duration

Middle East Current Psychiatry

Table 1 Demographic and clinical characteristics of both groups

	Cystinosis group (n = 20)	CKD group (n = 26)	T-test/chi-square (t/χ²) value	p-value
Age, years	3.5 ± 10.97	2.6 ± 9.30	t = 1.819	0.076
Gender
Male	(40%)8	(50%) 13	χ² = 0.456	0.561
Female	(60%) 12	(50%)13	χ² = 0.456	0.561
Consanguinity	(90%) 18	(34.6%) 9	t = 14.303	0.001 >
BMI, kg/m²	4.1 ± 16.05	3.1 ± 15.86	t = 1.041	0.867
Serum creatinine (mg/dl)	0.6 ± 3.10	0.4 ± 2.54	t = 1.146	0.402
CKD stage
I/II	(30%) 6	(30.8%) 8	t = 0.684	0.358
III/IV/V	(70%) 14	(69.2%)18	t = 0.684	0.358

Independent t-test was used to compare difference in mean between groups (t). Chi-square test was used to compare the difference in frequencies among groups (χ²). CKD, chronic kidney disease; BMI, body mass index