Table 2

Bland and Altman methods comparison

Hemo¥ vrs Cyan*

Hemo vrs KX21N

Cyan vrs KX21N


Bland and Altman

Limit of agreement (p-value)

- 0.39 to 0.64 (0.843)

- 0.39 to 0.69 (0.39)

- 0.45 to 0.49 (0.441)

Mean difference (95%CI)

0.13 (0.10 to 0.15)

0.15 (0.120 to 0.174)

0.02 (-0.00 to 0.04)

Concordance Correlation Coefficient

rho (95% CI)

0.995 (0.994 to 0.996)

0.994 (0.993 to 0.995)

0.997 (0.996 to 0.997)

p-value

<0.001

<0.001

<0.001


¥ HemoCue * Cyanmethemoglobin

Nkrumah et al. BMC Clinical Pathology 2011 11:5   doi:10.1186/1472-6890-11-5

Open Data