High rate of complicated idiopathic gallstone disease in pediatric patients of a North American tertiary care center

Table 2 Numbers of patients with gallstones or sludge and associated diseases

Age (median, range)	Hemolytic	CF	Oncologic/transplantation	Infectious	Surgery + TPN	Idiopathic	Total	Male patients (% total patient number)
Gallstones
< 2 yr (2 mo, 0.5-17)				12	10		22	11 (50)
> 2 - < 19 yr (13 yr, 3-18)	19	10	10	8	10	48	105	37 (35)
Sludge
< 2 yr (2 mo, 0.2-16)	2	2	31	9	12		28	18 (64.3)
> 2 - < 19 yr (13 yr, 2.3-17)	12	4	121	10 + 11	14	3	56	23 (41.1)
Total	33	16	25	40	46	51	211	89 (42.2)

CF: Cystic fibrosis; TPN: Total parenteral nutrition;

¹Plus TPN.