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Figure 2: Bland-Altman plot for CD4 percent using the PointCare NOW and FACSCalibur single platform. The Mean difference in CD4 percent (FacsCalibur – PointCare NOW) (Mean = -0.76%), the lower limit of agreement (Mean-1.96SD = -12.60%), and the upper limit of agreement (Mean + 1.96 SD = 11.09%) are displayed as horizontal lines.
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