Blood Donors’ Age, Haemoglobin Type, G6PD Status, and Blood Group Impact Storability of CPDA-1 Banked Whole Blood: A Repeated-Measure Cohort Study in Cape Coast, Ghana
Table 6
Median changes in plasma K+ levels in donor units during 35 days’ storage.
Variables
ΔK+ (%ΔK+) plasma levels
Day 7
Day 14
Day 21
Day 35
G6PD status
Normal
6.165 (150.4)
10.99 (269.1)
13.730 (336.8)
19.800 (487.1)
Defective
5.640 (135.0)
9.690 (240.5)
12.810 (312.1)
19.91 (469.6)
Haemoglobin type
Hb A
5.990 (149.8)
10.620 (259.5)
13.630 (336.8)
19.830 (480.3)
Hb AC
6.330 (157.7)
11.220 (267.8)
13.910 (350.4)
21.120 (489.5)
Hb AS
5.910 (150.8)
10.250 (251.8)
12.740 (318.9)
19.640 (491.0)
Age group (years)
<20
5.975 (147.5)
10.750 (260.4)
13.430 (329.9)
19.430 (484.9)
≥20
6.700 (150.0)
11.060 (264.0)
15.250 (339.2)
21.800 (484.6)
Blood group
A
6.040 (162.8)
10.790 (260.6)
12.400 (325.1)
19.070 (475.3)
B
6.290 (162.0)
11.170 (282.4)
14.160 (351.6)
21.300 (520.3)
O
5.875 (144.1)
10.190 (244.4)
13.320 (319.6)
19.890 (471.9)
Change in potassium was calculated as difference between the daily measurement and the baseline (day 0) K+ measurement.