Research Article

Epidemiology and Clinical Outcomes of Inflammatory Bowel Disease: A Hospital-Based Study in Central Taiwan

Table 1

Clinical characteristics of patients with inflammatory bowel disease.

CharacteristicsTotal IBD
()
CD
()
UC
()
value

Male sex, (%)135 (71.1)60 (75.0)75 (68.2)0.306
Mean age at diagnosis (years) (±SD)0.080
Cigarette smoking0.002
 Nonsmoking, (%)132 (69.5)50 (62.5)82 (74.5)
 Ever smoking, (%)32 (16.8)11 (13.8)21 (19.1)
 Current smoking, (%)26 (13.7)19 (23.7)7 (6.4)
Alcohol consumption0.194
 Nondrinking, (%)156 (82.1)70 (87.5)86 (78.2)
 Ever drinking, (%)10 (5.3)3 (3.8)7 (6.4)
 Current drinking, (%)24 (12.6)7 (8.7)17 (15.4)
Family history of IBD, (%)8 (4.2)2 (2.5)6 (5.5)0.317
Extraintestinal manifestations, (%)15 (7.9)7 (8.8)8 (7.3)0.709
Colorectal cancers, (%)4 (2.1)1 (1.2)3 (2.7)0.484
Fistula formation, (%)22 (27.5)
Positivity of HBsAg^, (%)21 (13.3)9 (11.3)12 (15.4)0.444
Positivity of anti-HCV Ab^, (%)0 (0)0 (0)0 (0)
Positivity of p-ANCA, (%)14 (22.2)
Positivity of c-ANCA, (%)1 (1.6)

Abbreviations: anti-HCV Ab: anti-hepatitis C virus antibody; c-ANCA: cytoplasmic anti-neutrophil cytoplasmic antibody; CD: Crohn’s disease; HBsAg: hepatitis B surface antigen; IBD: inflammatory bowel disease; p-ANCA: perinuclear anti-neutrophil cytoplasmic antibody; UC: ulcerative colitis. ^There were 158 patients after excluding those with missing data. There were 63 patients after excluding those with missing data.