Table 4.
Comparisons of immunoglobulin between patients (median, quartile)
| Parameters | Reference range | Regular (n = 32) | Severe + critically ill (n = 29) | P value |
|---|---|---|---|---|
| IgG (g/L) | 7.51–15.6 | 12.20 (10.49, 14.93) | 9.46 (8.89, 10.26) | 0.0001*** |
| IgA (g/L) | 0.82–4.53 | 2.56 (2.12, 3.01) | 2.66 (2.25, 3.24) | 0.5301 |
| IgM (g/L) | 0.46–3.04 | 0.88 (0.69, 1.23) | 1.21 (0.66, 1.36) | 0.2840 |
| C3 (g/L) | 0.79–1.52 | 0.89 (0.76, 1.10) | 0.82 (0.77, 0.93) | 0.2782 |
| C4 (g/L) | 0.16–0.38 | 0.24 (0.17, 0.28) | 0.20 (0.14, 0.29) | 0.2143 |
| SARS-Cov2-IgMa | 19.45 (8.40, 48.71) | 45.12 (13.25, 68.08) | 0.1006 | |
| SARS-Cov2-IgGa | 184.9 (138.9, 531.7) | 141.7 (100.6, 175.5) | 0.0187* |
* P < 0.05, *** P < 0.001
aRegular group n = 20, Severe + critical n = 22