Table 2 Parameters used to validate the age-density relationship in RBC fractions separated by Percoll density gradient method
From: Early and extensive CD55 loss from red blood cells supports a causal role in malarial anaemia
Erythrocyte Age Fraction | Density g/ml | % of cells | MCV | PS- MFI | CD55- MFI | CD59- MFI | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  |  |  | Mean ± SD | % change | P | Mean ± SD | % change | P | Mean ± SD | % change | P | Mean ± SD | % change | P |
Young | 1.061 | 23.5 ± 26.64 | 73.86 ± 1.29 | 0 | NA | 1.36 ± 0.182 | 0 | NA | 2.55 ± 0.512 | 0 | NA | 3.39 ± 0.775 | 0 | NA |
Mature | 1.07 | 44.37 ± 18.53 | 73.43 ± 1.39 | 0.58 | 0.1 | 1.43 ± 0.088 | 5.15 | 0.1416 | 2.11 ± 0.568 | 17.25 | 0.139 | 3.18 ± 0.692 | 6.19 | 0.035 |
Old | 1.082 | 25.86 ± 15.99 | 73.00 ± 1.41 | 1.64 | 0.08 | 1.56 ± 0.177 | 14.71 | 0.1312 | 1.94 ± 0.617 | 23.92 | 0.114 | 3.02 ± 0.564 | 10.91 | 0.023 |
Very old | 1.099 | 6.41 ± 7.94 | 72.29 ± 1.6 | 2.13 | 0.01 | 1.67 ± 0.23 | 22.79 | 0.0027 | 1.89 ± 0.408 | 25.88 | 0.008 | 2.59 ± 0.475 | 23.59 | 0.0017 |