Table 2.
The elevations of various inflammatory mediators as presented in four retrospective trials from China with regards COVID-19
| Studies | Methods | Groups | Number | IgA | IgG | IgM | C 3 | C 4 | IL-1b | IL 2r | IL-6 | IL-8 | IL-10 | TNF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chen et al. 2020 [11] | Retrospective | Deceased vs recovered | 113 vs 161 | NR | NR | NR | NR | NR | NR | 81% vs 37% | 100% vs 60% | 28% vs 8% | 70% vs 19% | 77% vs 47% |
| Qin et al. 2020 [12] | Retrospective | Severe vs non-Severe | 286 vs 196 | NR | NR | NR | NR | NR | 757 U/mL vs 663.5 U/mL | 25.2 pg/mL vs 13.3 pg/mL | 18.4 pg/mL vs 13.7 pg/mL | 6.6 pg/mL vs 5 pg/mL | 8.7 pg/mL vs 8.4 pg/mL | |
| Wang et al. 2020 [13] | Retrospective | SpO2 < 90% vs SpO2 ≥ 90% | 55 vs 14 | 51.69 pg/mL vs 6.69 pg/mL | 6.92 pg/mL vs 4.18 pg/mL |
Abbreviations: N population number, SpO2 peripheral capillary oxygen saturation, Ig immunoglobulin, C complement component, IL interleukin, TNF tumor necrosis factor