HemoCue Manuel D'utilisation page 28

Correlation study
1) Aqueous samples from surgical procedures, analyzed on the
HemoCue Plasma/Low Hb system with the HiCN-(ICSH) method
as reference.
2) Erythrocyte suspensions, analyzed on the HemoCue Plasma/Low
Hb system with the HiCN-(ICSH) method as reference.
3) Erythrocyte suspensions, analyzed on the HemoCue Plasma/Low
Hb system with the HiCN-(ICSH) method as reference.
Reference
Group N Mean Min Max
(g/L) (g/L) (g/L)
1 42 4.04 0.94 15.18
2 20 1.47 0.65 2.49
3 64 2.54 0.40 6.45
The regression line and the coefficient of correlation
Group N Regression line
1 42 1.039 x ICSH–0.150
2 20 1.149 x ICSH–0.024
3 64 1.015 x ICSH–0.078
HemoCue
SD Mean Min Max
(g/L) (g/L) (g/L) (g/L)
0.047 4.05 0.84 15.64
0.066 1.66 0.70 2.75
0.122 2.65 0.40 6.70
The coefficient Range Photometers
of correlation
0.9997 0.94–15.18
0.9913 0.65–2.49
0.9981 0.40–6.45
28
SD
(g/L)
0.059
0.130
0.084
5
1
1