Donor

PointCare NOW

 

Mean (cells/µl)

Standard deviation (cells/µl)

Coefficient of Variation (%)

1

1084

40.2

3.7

2

724

50.3

6.9

3

1090

58.1

5.3

 

Average = 966

Average = 49.5

Average = 5.3

 

 

FACSCalibur Single Platform

1

1266

153.7

12.1

2

752

63.2

8.4

3

1246

51.8

4.2

 

Average = 1088

Average = 89.5

Average = 8.2

Table 1: Summary of precision testing statistics for the absolute CD4 cell count obtained from three normal donors using the PointCare NOW and the FACSCalibur Single Platform.