Table 1.

L-ficolin concentrations in patients and controls

	L-ficolin (µg/ml)
	Range	Mean	Median	Proportion < 1·8 µg/ml*
Control group	1·8–6·3	3·72	3·95
Patient group I	0·7–5·9	3·75	3·8	4·2% (P = 0·135)
Patient group II	0·3–5·7	3·45	3·6	11·1% (P = 0·002)
Patient group III	1.1–5.7	3.41	3.4	6.1% (P = 0.046)
Patient group IV	1.5–5.4	3.51	3.55	4.3% (P = 0.145)
Patient group X	2.0–4.4	3.4	3.6	0%

^*Significance values refer to comparisons with the control group using Fisher's exact test (two-sided).