From: Is a Plasmodium lactate dehydrogenase (pLDH) enzyme-linked immunosorbent (ELISA)-based assay a valid tool for detecting risky malaria blood donations in Africa?
pLDH ELISA index
Positive donors
Negative donors
Frequency
Percent (%)
>20
45
15.3
2
0.01
10-20
24
8.1
1-10
161
54.6
737
33.2
0.7-0.99
64
21.7
558
25.1
Negative
1
0.3
921
41.5
TOTAL
295
2,220