TABLE 1.

Patient characteristics

Characteristic	All IBD (n = 107)	Crohn’s disease (n = 63)	Ulcerative colitis (n = 44)	P
Age, y ± SD	13.66 ± 3.4	13.27 ± 3.5	14.22 ± 3.1	0.1480
Male, n (%)	59 (55.1)	36 (57.1)	23 (52.3)	0.6942
Endoscopic disease severity, n (%)				0.0110
None	13 (12.2)	11 (17.5)	2 (4.6)
Mild	20 (18.7)	9 (14.3)	11 (25.0)
Moderate	48 (44.9)	23 (36.5)	25 (56.8)
Severe	26 (24.3)	20 (31.8)	6 (13.6)
Histologic disease severity, n (%)				0.0481
None	20 (18.7)	15 (23.8)	5 (11.4)
Mild	17 (15.9)	10 (15.9)	7 (15.9)
Moderate	51 (47.7)	23 (36.5)	28 (63.6)
Severe	12 (11.2)	10 (15.9)	2 (4.6)
Disease phenotype of Crohn’s disease at diagnosis
Paris classification		Crohn’s disease
Age of patients at diagnosis, y, n (%)
0–10		14 (22.2)
11–17		43 (68.3)
>17		6 (9.5)
Location of disease, n (%)
Ileal		24 (38.1)
Colonic		5 (7.9)
Ileocolonic		34 (54.0)
Penetrating characteristic, n (%)
Nonstricturing nonpenetrating		55 (87.3)
Stricturing		4 (6.4)
Penetrating		4 (6.4)
Growth delay, n (%)
Absent		41 (65.1)
Present		22 (34.9)
Perianal findings, n (%)
Absent		51 (80.1)
Present		12 (19.1)
Disease phenotype of ulcerative colitis at diagnosis
Montreal classification		Ulcerative colitis
Extent of disease, n (%)
Ulcerative proctitis		6 (13.6)
Left-sided UC (to splenic flexure)		6 (13.6)
Extensive (to hepatic flexure)		3 (6.8)
Pancolitis (proximal to hepatic flexure)		29 (65.9)
Severity of disease, n (%)
Never severe		22 (50.0)
Ever severe (required hospital admission)		22 (50.0)

IBD = inflammatory bowel disease; UC = ulcerative colitis.