Table 1.

Study population characteristics

	Ulcerative colitis	Controls
Total number	14	17
Males/females	9/5	9/8
Mean age, years (range)	39 (23–75)	46 (20–68)
Smoking habit
Active/nonsmoker	0/14	0/17
History of maximum disease extent
Proctitis	3	N/A
Left sided colitis	4	N/A
Pancolitis	7	N/A
Disease duration, mean months (range)	124 (3–324)	N/A
Remission duration, mean months (range)	14 (2–61)	N/A
Medication
No treatment	3	5
5-ASA	5	0
Anti-TNFα	2	0
Azathioprine	3	0
Antiepileptic	1	0
Antihistamine	0	2
Inhaler (β2-agonist, steroid)	0	2
Contraception	0	1
Proton pump inhibitor	0	1
Statins	0	2
Thiazides	0	2
Thyroid hormone	0	2
Vitamin/iron-supplements	1	2

Baseline values for patients with quiescent ulcerative colitis and controls.

5-ASA, 5-aminosalicylic acid; N/A, non-applicable; TNFα, tumor necrosis factor alpha.