Table 3.
Results of univariate Cox regression analysis for the association between the convalescent plasma infusion and the antibody levels in the infused plasma and overall survival.
| Variables 2 | HR (95%CI) | p-Value 1 |
|---|---|---|
| Age | 1.08 (1.01–1.14) | 0.024 |
| Male gender | 1.22 (0.34–4.35) | 0.761 |
| Percentage of infiltrates at CT | 2.53 (1.24–5.19) | 0.011 |
| Baseline SOFA score | 1.29 (0.98–1.72) | 0.073 |
| Dexamethasone co-medication | 1.43 (0.39–5.19) | 0.586 |
| Convalescent plasma infusion | 0.05 (0.01–0.43) | 0.006 |
| N_RBD (In-house ELISA), below median | 0.07 (0.007–0.76) | 0.029 |
| N_RBD (In-house ELISA), above median | 0.04 (0.002–0.62) | 0.021 |
| Spike (In-house ELISA), below median | 0.07 (0.007–0.77) | 0.029 |
| Spike (In-house ELISA), above median | 0.04 (0.002–0.61) | 0.012 |
| Spike_RBD (In-house ELISA), below median | 0.07 (0.006–0.74) | 0.027 |
| Spike_RBD (In-house ELISA), above median | 0.04 (0.002–0.58) | 0.019 |
| ID50, below median | 0.08 (0.007–0.88) | 0.039 |
| ID50, above median | 0.04 (0.003–0.55) | 0.016 |
1 Highlighted (bold) p-values denote statistically significant results; 2 Reference category: no plasma infusion.