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.
Characteristics
Total 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 smoking
0.002
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 consumption
0.194
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.