Figure 3: Bland-Altman plot for PointCare NOW and Sysmex XT-1800i for haemoglobin. The Mean difference in absolute Hgb count (Sysmex – PointCare NOW) (Mean = -0.74 g/DL), the lower limit of agreement (Mean-1.96SD = -3.50 g/DL), and the upper limit of agreement (Mean + 1.96 SD = 2.01 g/DL) are displayed as horizontal lines.