Table 2 Summary statistics for correlation and agreement between CD4+ T cells in ST samples measured on Day 7 and Day 14 (index test), and CD4+ T cells in EDTA samples measured on Day 0 (reference test)
Test | N | Median | p-value (EDTA Day 0) | R2 | Spearman's rho | Mean bias (95% CI) | Standard deviation of bias | Limits of agreement |
|---|---|---|---|---|---|---|---|---|
CD4 ST Day 7 | 49 | 480 | 0.30 | 0.957 | 0.977 | -4.89 (-18.34 to 8.54) | 46.81 | -98.52 to 88.72 |
CD4 ST Day 14 | 19 | 500 | 0.71 | 0.936 | 0.963 | 5.10 (-20.13 to 30.34) | 52.35 | -99.61 to 109.82 |
CD4% ST Day 7 | 46 | 24.15 | 0.17 | 0.936 | 0.948 | -0.53 (-1.14 to 0.06) | 2.02 | -4.59 to 3.51 |