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Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 7, 2007; 13(33): 4489-4492
Published online Sep 7, 2007. doi: 10.3748/wjg.v13.i33.4489
Table 1 Vienna Classification in whites and non-whites patients with Crohn’s disease in Bahia-Brazil, 2006
Vienna ClassificationTotaln = 65Whiten = 21Non-whitesn = 44P
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-Stricturing5 (7.7)2 (9.5)3 (6.8)
B3-Penetrating36 (55.4)11 (52.4)25 (56.8)NSa
Localizationb
L1-Ileum terminal15 (25.4)7 (36.8)8 (20.0)
L2-Colon14 (23.7)3 (15.8)11 (27.5)NSc
L3-Ileocolonic23 (39.0)8 (42.1)15 (37.5)
L4-Upper gastrointestinal tract (UGT)7 (11.9)1 (5.3)6 (15.0)NSd