Inflammatory bowel disease: A descriptive study of 716 local Chilean patients

Table 1 Demographic and disease characteristics n (%)

	UC (n = 508)	CD (n = 196)
Smoking habit
Active	47 (9)	31 (16)
Discontinued	75 (15)	34 (17)
Family history of IBD	59 (12)	19 (10)
Extraintestinal manifestations
Articular	156 (31)	87 (44)
Dermatological	11 (2)	10 (5)
Ocular	8 (2)	3 (2)
Other	31 (6)	15 (8)

UC: Ulcerative colitis; CD: Crohn´s disease.

Table 2 Extent, location and behavior of inflammatory bowel disease according to the montreal classification n (%)

	UC (n = 508)	CD (n = 196)
UC Extent
E1: Ulcerative proctitis	142 (28)
E2: Left sided UC	112 (22)
E3: Extensive UC (pancolitis)	254 (50)
CD Location
L1: Ileal		53 (27)
L2: Colonic		87 (44)
L3: Ileocolonic		55 (28)
L4: Upper gastrointestinal		5 (3)
CD Behavior
B1: Non-stricturing/non-penetrating		157 (80)
B2: Stricturing		20 (10)
B3: Penetrating		18 (9)
p: Perianal disease		55 (28)

UC: Ulcerative colitis; CD: Crohn´s disease.

Table 3 Medical treatment, hospitalizations and surgery in patients with inflammatory bowel disease n (%)

	UC (n = 508)	CD (n = 196)	P value
Corticosteroids	297 (58)	133 (68)	< 0.05
Mesalazine (oral, local or both)	497 (98)	133 (68)	< 0.01
Immunosupressive agents	166 (33)	132 (67)	< 0.01
Ciclosporine	7 (1)	2 (1)
Biologic therapy	34 (7)	67 (34)	< 0.01
Surgery	27 (5)	75 (38)	< 0.01
Intestinal resection	27 (5)	50 (25)	< 0.01
Hospitalizations	176 (35)	108 (55)	< 0.01
1	113 (64)	50 (46.3)	< 0.01
2-3	45 (26)	35 (32.3)
≥ 4	18 (10)	23 (21.3)	< 0.011

¹Fisher´s Test. UC: Ulcerative colitis; CD: Crohn´s disease.