Table 2.

Number of serum sample at different COV settings from different serum test groups using rPGM-ELISA

rPGM-ELISA (COV = mean + 1SD)	Number of Serum samples		Total
	< 0.25	≥ 0.25
Human ALA serum	5	19	24
Other infections human serum	21	7	28
Blood donors’ serum	174	23	197
Total	200	49	249
rPGM-ELISA (COV = mean + 2SD)	< 0.32	≥ 0.32
Human ALA serum	13	11	24
Other infections human serum	26	2	28
Blood donors’ serum	185	12	197
Total	224	25	249