A Study of the Change in Sodium and Potassium Ion Concentrations in Stored Donor Blood and Their Effect on Electrolyte Balance of Recipients

Table 2

Changes and percentage changes in plasma potassium and sodium concentration over 28 days of storage.

Day of measurement	Potassium change in relation to the previous measurement (mmol/L)	Percentage change (%)	Sodium change in relation to the previous measurement (mmol/L)	Percentage change (%)
Day 1	—	—	—	—
Day 7	5.90	170.00	2.0	1.34
Day 14	4.00	40.00	5.6	3.82
Day 21	1.20	8.95	5.2	3.69
Day 28	0.80	5.47	4.8	3.53
Total	11.90	224.42	17.6	12.38