Table 2. Phase A results: coefficient of variation and median value measured for all Biosensors combined, spectrophotometry and Hemocue.

Summaries are for all Phase A results combined.

	G6PD activity (in U/gHb)			Hb (in g/dL)
Assay	Low	Intermediate	High	Low	Intermediate	High
Biosensors (n = 600)
CV	0.260	0.172	0.111	0.061	0.068	0.069
Median	0.7	1.7	7.6	14.8	14.9	14.1
IQR	0.6–0.8	1.5–1.8	7.2–8.2	14.3–15.6	14.2–15.5	13.5–15.0
SD	0.17	0.28	0.85	0.91	1.01	0.98
Range	0.1–1.0	0.6–2. 4	5.7–10.5	12.9–17.5	12.3–17.5	12.0–17.7
Reference (n = 60)
CV	0.141	0.165	0.124	0.009	0.007	0.022
Median	0.9	2.7	7.6	18.4	16.5	14.9
IQR	0.8–1.0	2.5–2.9	7.0–8.1	18.2–18.5	16.4–16.6	14.7–15.0
SD	0.12	0.47	0.96	0.01	0.01	0.02
Range	0.7–1.0	2.4–4.6	6.4–11.0	18.0–18.6	16.3–16.7	13.9–15.1
	Recommended range G6PD (U/gHb)			Recommended value Hb (g/dL)
Manufacturer recommendation	0.8–3.8	3.7–6.8	10.3–19.1	13.0	13.2	13.1

CV = coefficient of variation, IQR = interquartile range, SD = standard deviation