Conventional blood tests
| Characteristic | Survivor, N=148 | Non-survivor/ITU/NIV, N=39 | P value |
| Haemoglobin (g/L) | 135 (126–148) | 134 (112–147) | 0.4 |
| White cell count (x10ˆ9/L) | 7.6 (5.7–9.9) | 6.9 (5.0–9.7) | 0.7 |
| Neutrophils (x10ˆ9/L) | 5.7 (3.9–8.0) | 5.8 (3.7–8.4) | 0.6 |
| Lymphocytes (x10ˆ9/L) | 1.08 (0.68–1.55) | 0.86 (0.58–1.16) | 0.018 |
| Platelets (x10ˆ9/L) | 239 (189–289) | 202 (149–258) | 0.009 |
| Sodium (mmol/L) | 138 (135–140) | 137 (136–138) | 0.4 |
| Urea (mmol/L) | 4.7 (3.6–7.1) | 7.0 (5.0–9.4) | <0.001 |
| eGFR (mL/min) | 89 (65–90) | 64 (50–86) | <0.001 |
| Albumin (mmol/L) | 33.5 (31.0–36.8) | 32.0 (27.5–34.0) | 0.009 |
| CRP (mg/L) | 44 (12–86) | 87 (54–152) | <0.001 |
| NLR | 4.9 (2.8–9.4) | 6.3 (4.7–12.3) | 0.023 |
Median (IQR).
Wilcoxon rank-sum test.
CRP, C reactive protein; eGFR, estimated glomerular filtration rate; ITU, Intensive Care admission; NIV, non-invasive ventilation; NLR, neutrophil:lymphocyte ratio.