Table 2 Correlation, bias, and limits of agreement between hemoglobin level using HemoCue® and automated hematology analyzer
Comparison of methods | Correlation Coefficient | Bias ± SD (95%CI) | Limits of agreement |
|---|---|---|---|
HemoCue® (venous) vs. Hematology analyzer | 0.58 | 1.17 ± 1.57 (0.87; 1.47) | -1.97 to 4.31 |
HemoCue® (capillary) vs. Hematology analyzer | 0.51 | 1.34 ± 1.85 (0.99; 1.69) | -2.36 to 5.04 |
HemoCue® (venous) vs. HemoCue® (capillary) | 0.51 | -0.17 ± 1.90 (-0.53; 0.19) | -3.97 to 3.63 |