Crohn’s disease in one mixed-race population in Brazil

Table 1 Vienna Classification in whites and non-whites patients with Crohn’s disease in Bahia-Brazil, 2006

Vienna Classification	Totaln = 65	Whiten = 21	Non-whitesn = 44	P
Age at diagnosis
A1 (< 40)	45 (69.2)	11 (52.4)	34 (77.3)	P < 0.05
A2 (≥ 40)	20 (30.8)	10 (47.6)	10 (22.7)
Behavior
B1-Nonsticturing,	24 (36.9)	8 (38.1)	16 (36.4)
nonpenetrating
B2-Stricturing	5 (7.7)	2 (9.5)	3 (6.8)
B3-Penetrating	36 (55.4)	11 (52.4)	25 (56.8)	NSa
Localizationb
L1-Ileum terminal	15 (25.4)	7 (36.8)	8 (20.0)
L2-Colon	14 (23.7)	3 (15.8)	11 (27.5)	NSc
L3-Ileocolonic	23 (39.0)	8 (42.1)	15 (37.5)
L4-Upper gastrointestinal tract (UGT)	7 (11.9)	1 (5.3)	6 (15.0)	NSd

NS: no statistically significant difference.

^aComparison between penetrating and non- penetrating;

^bData on 59 patients;

^cComparison between colonic and non-colonic;

^dComparison between UGT and non-UGT.

Table 2 Others parameters in whites and non- whites patients with Crohn’s disease in Bahia-Brazil, 2006

Parameters	Totaln = 65	Whitesn = 21	Non-whitesn = 44	P
Age (mean ± SD)	37.3 ± 13.0	39.4 ± 13.9	36.3 ± 12.6	NS
Females n/%	40 (61.5)	12 (57.1)	28 (63.6)	NS
Smoking				NS
Non-smoker	54 (83.1)	16 (76.2)	38 (86.4)
Current smoker	4 (6.2)	1 (4.8)	3 (6.8)
Ex-smoker	7 (10.8)	4 (19.0)	3 (6.8)
Perianal fistula	30 (46.2)	10 (47.6)	20 (45.5)	NS
Rectovaginal fistula	3 (4.6)	1 (4.8)	2 (4.5)	NS
Granuloma in biopsya	11 (17.2)	4 (19.0)	7 (16.3)	NS
Time of diagnosis				NS
Less than 10 yr	52 (80)	18 (85.7)	34 (77.3)
Equal to or more than 10 yr	13 (20)	3 (14.3)	10 (22.7)

NS: no statistically significant difference.

^aData on 64 patients.

Table 3 Severity criteria in whites and non-whites patients with Crohn’s disease in Bahia-Brazil, 2006

Severity criteria	Totaln = 65	Whitesn = 21	Non-whitesn = 44	P
Treatment with immunossupressors n (%)	28 (43.1)	8 (38.1)	19 (45.5)	NS
Treatment with steroids n (%)	46 (70.8)	13 (61.9)	33 (75)	NS
Hospitalisation in the last year n (%)	19 (29.2)	3 (14.3)	16 (36.4)	NSa
Surgery fistula n (%)	13 (20.0)	4 (19.0)	9 (20.5)	NS
Partial Colectomy n (%)	13 (20.0)	2 (9.5)	11 (25.0)	NS

NS: no statistically significant difference.

^aalmost reached statistical significance (P = 0.07).