Table I.

Mean (SD) levels of various markers of membrane damage and oxidative injury during storage of red cells.

Parameters	Day 0	Day 14	Day 28	P value
Plasma Hb (g/dL)	0.017±0.01	0.037±0.01	0.077±0.06	<0.005
K+ levels (mmol/l)	5.16±1.2	15.7±3.0	35.1±4.6	<0.005
LDH levels (IU/L)	52.9±7.2	204.3±41	366.9±67.8	<0.005
MDA levels (mmol/L)	2.25±0.21	2.9±0.22	3.76±0.41	<0.005
Hb oxidation (%)	0.366±0.16	1.16±0.33	1.87±0.34	<0.005

SD: standard deviation; LDH: lactate dehydrogenase; MDA: malondialdehyde