Table 6: Patient sample repeatability.
| CD4 Bin (cells/ µL) / Parameter |
Mean |
Between Instrument / Operator |
Between Lot |
Within Run |
Total |
| SD |
%CV |
SD |
%CV |
SD |
%CV |
%CV |
%CV UL |
| CD4 ≤200 |
97.26 |
2.43 |
2.49 |
0.79 |
0.81 |
6.94 |
7.13 |
7.60 |
8.35 |
| CD4 >200 to ≤500 |
327.02 |
4.45 |
1.36 |
4.76 |
1.46 |
17.28 |
5.28 |
5.65 |
6.11 |
| CD4 >500 to ≤1,000 |
691.35 |
5.53 |
0.8 |
0.57 |
0.08 |
22.25 |
3.22 |
3.32 |
3.54 |
| >1,000 to <5,000 |
1367 |
10.95 |
0.8 |
7.9 |
0.58 |
32.39 |
2.37 |
2.57 |
2.81 |
| CD4 (cells/ µL) |
623.6 |
6.38 |
1.02 |
4.25 |
0.68 |
21.74 |
3.49 |
3.27 |
3.85 |
| %CD4 |
26.92 |
0.19 |
0.69 |
0.1 |
0.37 |
0.72 |
2.69 |
2.8 |
2.91 |
| Hb (g/ dL) |
13.49 |
0.55 |
4.11 |
0.11 |
0.85 |
0.39 |
2.92 |
5.11 |
5.32 |
%CV= Percent coefficient of variation; UL= Upper limit