Table 1.

Demographic data and type of presentation of the studied group

Age of onset (years)	Range	1-18
	Mean ± SD	9.92 ± 0.37
	Median ± IR	10 ± 4
Age at presentation (years)	Range	1.0 -19
	Mean ± SD	10.96 ± 0.45
	Median ± IR	10 ± 4
Sex (M/F)		43/34
Consanguinity No. (%)		56/71 (78.9%)
Number of families		50
Residency (73)- No. (%)	Upper Egypt	25 (34.2%)
	Lower Egypt	30 (41.1%)
	Cairo	12 (16.4%)
	Non-Egyptian	6 (8.2%)
Type of presentation No. (%)	Hepatic	35 (45.5%)
	Neurological	6 (7.8%)
	Combined	9 (11.7%)
	Asymptomatic	27 (35.1%)

N.B. Two adult patients with ages of 30 and 37 years (cousins of one of the children) were excluded when calculating the age ranges and mean.

M: male, F: female, SD: standard deviation, IR: interquartial range