Table 1.

Changes in total protein, superoxide dismutase, vitamin E and Cu/Zn ratio among prostate cancer patients

	Subjects
Grouping	Normal (PSA <3)	PSA (5–10)	PSA (11–20)	PSA (>20)
Mean age (years)	31.55 ±5.25	49.75 ± 8.84*	64.30 ± 12.05*	68.50 ± 10.20*
Total protein (mg/dL)	0.81 ± 0.21	0.78 ± 0.33	0.75 ± 0.45	0.43 ± 0.11*
Vitamin E(mg/dL)	5.65 ± 0.97	3.93 ± 0.81*	2.97 ± 0.67*	1.30 ± 0.56*
Cu/Zn ratio	0.59 ± 0.06	0.88 ± 0.08*	1.08 ± 0.23*	1.15 ± 0.28*
SOD (U/mg protein)	0.85 ± 0.08	0.28 ± 0.05*	0.25 ± 0.07*	0.16 ± 0.05*

Values are Means ± S.D

Unit of PSA = ng/ml

^*Significantly different from normal at p< 0.05

SOD = Superoxide Dismutase