Table 5

Weight of fluid collected on the filter paper and the corrected IL-1β, TNFα, and eicosanoid levels (for weight) for patients with active and inactive ulcerative colitis(defined by sigmoidoscopic score) and in controls. Median (IQR) are shown

		Ulcerative colitis		Controls		n
		Active	n	Controls		n	Inactive	n
Weight of mucosal fluid (mg)	42.7 (31.2–57.3)	10	18.5 (14.4–24.1)5-150	12	19.3 (16.5–23.8)5-150	8
Corrected cytokine/eicosanoid level
IL-1β (pg/ml mucosal fluid)	57.9 (28.4–121)	6	1.5 (0.8–2.7)^**	6	1.3 (0.9–4.7)5-150	5
TNF-α (pg/ml mucosal fluid)	8.4 (3.2–11.9)	6	0.68 (0.34–3.5)^**	6	0.36 (0.28–0.81)^**	5
TXB₂ (pg/ml mucosal fluid)	192 (123–249)	6	22.9 (8.6–37.8)5-150	6	10.6 (8.8–14.8)5-150	4
PGE₂ (pg/ml mucosal fluid)	1574 (869–2184)	5	88.8 (53.4–263)^**	4	102 (49–310)^**	4

↵5-150 p<0.0001, ^**p=0.02 compared with active UC