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

Table 4

A table of clinical data obtained before and after transfusion of blood stored up to 28 days.

Type of analytes	Before	After	value
	Median (Q1–Q3)	Median (Q1–Q3)
Na^+ (mmol/L)	142.0 (138–144)	141.5 (138.0–144.0)	0.973
K^+ (mmol/L)	4.30 (4.00–4.78)	4.50 (3.93–4.80)	0.42
Cl^– (mmol/L)	102 (100–105)	103.5 (100–107.0)	0.259
UREA (mmol/L)	3.6 (2.4–6.88)	4.1 (2.63–6.98)	0.492
CREAT (μmol/L)	77.5 (57.25–147.75)	81.5 (64.25–156.75)	0.338

was taken as significant.