Regional variation of pediatric inflammatory bowel disease in Saudi Arabia: Results from a multicenter study

Table 1 Demographics of 456 children from birth to 17 years of age

Parameters	Crohn’s disease			Ulcerative colitis
	Central	West	East	Central	West	East
Number of patients	156	80	73	70	54	73
Gender, % males	94.6	44.6	37.6	39.6	21.4	17.7
Family history, % positive	17.5	16.2	13.9	9.2	9.3	9.5
Consanguinity, % positive	47	31.2	33.8	41.9	24.1	52.6
Duration of symptoms (mo): mean ± SD	17.5 ± 21.8	10.8 ± 9.9	7.8 ± 9.2	8.7 ± 10.1	5.8 ± 3.9	4.5 ± 3.0
Age at diagnosis (yr): mean ± SD	14.3 ± 3.5	10.0 ± 4.7	12.3 ± 3.4	9.6 ± 5.0	8.9 ± 4.3	9.0 ± 3.9
Diagnostic delay (mo): Median (IQR)	12 (4-25)	6 (4-12)	6 (3-6)	5 (2-9)	6 (3-9)	3 (2-6)

SD: Standard deviation; IQR: Interquartile range.