Frequency, types, and treatment of anemia in Turkish patients with inflammatory bowel disease

Table 2 Demographic data of inflammatory bowel disease patients n (%)

	IBD overall	Crohn’s disease	Ulcerative colitis	P value
n	465	257 (55.3)	208 (44.7)
Age (yr) mean (SD; range)	47.1 (14.3; 18-83)	46.2 (13.4; 17-78)	48 (15.3; 12-83)	0.183
Sex (male/female)	254 (54.6)/211 (45.4)	153 (59.5)/104 (40.5)	101 (48.6)/107 (51.4)	0.019
Disease characteristics
Age at diagnosis (yr)	40.2	39.7	40.7	0.46
Location of the disease
L1		122 (48.2)
L2		48 (19)
L3		83 (32.8)
L4		-
Disease behavior
B1		148 (60.9)
B2		40 (16.5)
B3		55 (22.6)
Disease extension
E1			49 (27.5)
E2			73 (41)
E3			56 (31.5)
Drugs
SZP/5-ASA	360 (77.4)	171 (66.5)	189 (90.6)	< 0.001
Corticosteroids	55 (11.8)	30 (11.7)	25 (12)	0.90
Budenoside	17 (3.7)	15 (5.8)	2 (1)	0.005
AZA / MTX	200 (43)	155 (60.3)	45 (21.6)	< 0.001
IFX/ADA	81 (17.4)	72 (28)	9 (4.3)	< 0.001
Antibiotic	92 (19.8)	68 (26.5)	24 (11.5)	< 0.001
Surgery	70 (15.1)	60 (23.3)	10 (4.8)	< 0.001

IBD: Inflammatory bowel disease; L: Disease location (for Crohn’s disease); L1: Ileal disease; L2: Colonic disease; L3: Ileocolonic disease; L4: Upper gastrointestinal tract disease; B: Disease behavior (for Crohn’s disease); B1: Inflammatory disease; B2: Stricturing disease; B3: Penetrating disease; E: Disease extension (for ulcerative colitis); E1: Ulcerative proctitis; E2: Left-sided ulcerative colitis; E3: Extensive disease; SZP: Sulphasalazinep; 5-ASA: 5-aminosalicyclate; AZA: Azathiopurine; MTX: Methotrexate; IFX: Infliximab; ADA: Adalimumab.