Table 2 Bland and Altman methods comparison
From: Hemoglobin estimation by the HemoCue® portable hemoglobin photometer in a resource poor setting
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 |