Table 3.

Frequency of C4A and/or C4B deficiencies in preeclamptic (PE) patients and controls.

	C4A or C4B deficiency		C4A deficiency		C4B deficiency
	Maternal	Fetal	Maternal	Fetal	Maternal	Fetal
PE (pooled) (n = 12)	0.667	0.700	0.417	0.300	0.333	0.400
Early-onset PE (7)	0.714	0.667	0.429	0.333	0.286	0.333
Late-onset PE (5)	0.600	0.750	0.400	0.250	0.400	0.500
Control (8)	0.375	0.500	0	0.375	0.375	0.250