TABLE 3.
Anti-S1-RBD IgG levels and log transformed anti-S1-RBD levels at 3 and 6 months for the study and control groups.
| All | p-value | HD | p-value | Control | p-value | ||
| No. | 125 | 104 | 21 | ||||
|
| |||||||
| Ab level (AU/ml) median (IQR) |
3 months |
535.5 (171.8–1,360.2) |
<0.001 | 419.6 (136.6–893.5) |
<0.001 | 1332.5 (915.2–2,437.7) |
<0.001 |
| 6 months | 217.1 (79.7–687.4) | 151 (61.4–423.5) | 681.8 (410.9–1,051.3) | ||||
|
| |||||||
| Log transformed Ab level (log AU/ml) mean ± SD |
3 months |
2.66 ± 0.69 |
<0.001 | 2.56 ± 0.71 |
<0.001 | 3.09 ± 0.41 | <0.001 |
| 6 months | 2.34 ± 0.65 | 2.24 ± 0.67 | 2.77 ± 0.38 | ||||
IQR, interquartile range; CI, confidence interval; SD, standard deviation.