Table 3.
Relevant comparisons according to the pneumonia severity.
| Characteristic | Low risk PSI score | High risk PSI score | p-value |
|---|---|---|---|
| WBCs (×109/l), med, IQR | 5.1 (3.9–7.5) | 7.8 (5.8–13.8) | 0.013 |
| NETs (×109/l), med, IQR | 3.85 (2.6–5.7) | 5.9 (4.1–11.4) | 0.016 |
| LYMs (×109/l), med, IQR | 0.8 (0.7–1.3) | 0.8 (0.5–1.1) | 0.306 |
| PLTs (×109/l), med, IQR | 167 (128–225) | 190 (126–253) | 0.534 |
| D-dimer (mg/l), med, IQR | 0.71 (0.56–1.72) | 1.7 (0.58–4.1) | 0.099 |
| Ferritin (ug/l), med, IQR | 417.5 (282–771) | 893.5 (589.5–1,604.5) | 0.008 |
| IL-6 (ng/l), med, IQR | 40.55 (14.6–91.1) | 58.2 (38.4–130.0) | 0.101 |
| PCT (ng/ml), med, IQR | 0.09 (0.06–0.25) | 0.12 (0.09–0.22) | 0.496 |
| CRP (mg/l), med, IQR | 56.15 (24.7–80.9) | 79.4 (65.0–107.0) | 0.038 |
| C3 (g/l), mean ± SD | 1.34 ± 0.29 | 1.17 ± 0.38 | 0.073 |
| C4 (g/l), mean ± SD | 0.27 ± 0.12 | 0.26 ± 0.11 | 0.774 |
| IgG (g/l), mean ± SD | 10.4 ± 3.1 | 9.6 ± 3.8 | 0.411 |
| IgM (g/l), mean ± SD | 1.2 ± 0.5 | 0.9 ± 0.5 | 0.031 |
| IgA (g/l), mean ± SD | 2.5 ± 1.0 | 2.6 ± 1.6 | 0.687 |
| SII, med, IQR | 651.1 (485.0–1,337.0) | 1,626.7 (627–2,379.7) | 0.024 |
| NIH severity | |||
| Moderate | 15 (57.7%) | 4 (16.0%) | |
| Severe/critical | 11 (42.3%) | 21 (84.0%) | 0.002 |
| Outcome | |||
| Recovery | 24 (54.5%) | 20 (45.5%) | |
| Lethal outcome | 2 (28.6%) | 5 (71.4%) | 0.248 |
| ANA | 7 (26.9%) | 3 (12.0%) | 0.291 |
| ANCA | 3 (13.6%) | 2 (8.0%) | 0.654 |
| aCL IgG and/or IgM | 3 (11.5%) | 8 (32%) | 0.076 |
| aCL IgG | 1 (3.8%) | 7 (28.0%) | 0.024 |
| RF | 2 (8.0%) | 2 (8.3%) | 1.0 |
WBCs, white blood cells; NETs, neutrophils; LYMs, lymphocytes; RBCs, red blood cells; Hgb, Hemoglobin; PLTs, platelets; PCT, procalcitonin; CRP, C-reactive protein.