Table 5. Association between survival and serum iron, copper, and zinc Levels at baseline .

Normal Reference Range: Serum iron, 50 to 120 μg/dL; Serum copper, 75-153 μg/dL; Serum zinc, 64-124 μg/dL

		Parameter
		Iron  (mg/dl)			Copper  (mg/dl)			Zinc  (mg/dl)
		n	Mean	SD	n	Mean	SD	n	Mean	SD
1.	Survived	33	74.85	53.45	33	146.67	35.94	33	121.52	37.59
2.	Expired	14	41.43	22.48	14	145.71	41.08	14	102.86	41.96
z (Mann-Whitney U test)		2.660			0.421			1.530
P		0.004			0.673			0.126