Table 1.

Demographic data of patients and controls for peripheral blood plasmacytoid dendritic cells (pDC) experiments

	(n)	%	Mean	Min	Max
Number	76
Ethnicity
Caucasian	74	97·4
Jewish	2	2·6
Crohn's disease	37	41
Male	7	18·9
Female	30	81·1
Age (years)			35	19	73
Disease duration (years)			10	0	41
Age at diagnosis (years)			26	10	63
Harvey Bradshaw Severity Index remission			1·5	0	5·5
Harvey Bradshaw Severity Index flare-up			8·2	7	18
Ulcerative colitis	39	51·3
Male	17	45·6
Female	22	56·4
Age (years)			48	19	85
Disease duration (years)			12	0	39
Age at diagnosis (years)			36	14	65
Modified Truelove Witts Index remission			4·5	0	9
Modified Truelove Witts Index flare-up			11	10	13
Healthy controls	14
Male	6
Female	8
Age (years)			30	26	37