Table 3.

Demographic and clinical features of IBD patients

Variables		UC	CD	p-value
Sex				0.269
	Male	%47	%53
	Female	%53	%47
Breast feeding		%85	%85	0.810
Smoking				0.046
	Nonsmoker	%93.4	%88.7
	Smoker	%3.9	%6.6
Familial history		%14.2	%15.8	0.564
Positive familial history				0.483
	First degree	%57.9	%57.1
	Second degree	%42.1	%42.9
Colectomy		%2.8	%15.8	<0.001
Appendectomy		%4.4	%14.1	<0.001