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