Table 2. Comparing the median (inter-quartile of the trace elements between women with preeclampsia and controls.

Variables	Preeclamptic women	Healthy controls	P
	(n = 50)	(n = 50)
Calcium, mg/dl	7.6 (4.0─9.6)	8.1 (10.6─14.2)	0.032
Magnesium, mg/dl	1.9 (1.4─2.5)	1.4 (1.0─1.9)	0.003
Zinc, μg/dl	108.0 (91.6─131.7)	102.0 (82.8─124.0)	0.254
Copper μg/dl	111.6 (94.3─135.3)	103.6 (86.6─126.7)	0.554