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. 2017 Nov 3;12(11):e0187456. doi: 10.1371/journal.pone.0187456

Table 3. Summary of results from manufacturer provided daily quality control material (ImmunotrolTM Normal and Low) for 12 consecutive days, where target value and range refers to package insert values.

  Normal ImmunotrolTM Low ImmunotrolTM
  CD4# CD4% CD4# CD4%
Number of values 12 12 12 12
Target value (package insert) 569±91 41.1±3.7 136±33 15.3±3.3
Target Range 478–660 37.4–44.8 103–169 12.0–18.6
Tested Range 550–620 39.9–41.5 122–157 15.0–17.1
Median ±Standard Deviation 573.7±24.63 41.47±0.99 139.4±10.62 15.79±0.60
95% Confidence Interval of Mean 558–589.3 40.84–42.11 132.7–146.2 15.41–16.17
%Coefficient of variation (precision) 4.29 2.41 7.62 3.82