Table 3

Conventional blood tests

CharacteristicSurvivor,
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
NLR4.9 (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.