Table 1. Study population baseline demographics.

Baseline characteristics	Ulcerative colitis n = 29	Control group n = 21
Female/male	14/15	8/13
Age study inclusion (years), mean ± SD	39.0 ± 12.7	56.1 ± 13.4
Disease duration, median months, [range]	58 [0–372]
Newly diagnosed <1month	2
Disease extent (n)
- Proctitis	5
- Left colitis	17
- Pancolitis	7
Smoking status (n)
- Never	15
- Current	2
- Ex smoker	11
- Unknown	1
UCDAI pre, median,[range]	10 [7–12]
Endoscopic subscore, median, [range]	2 [2–3]
Medication (last 3 months) (n)
- 5ASA	28
- Steroids (oral)	20
- Azathioprine or Methotrexate	11