Table 1.

Main results of laboratory tests in survivors and non-survivors

Laboratory test, median (1^st–3rd quartiles)	Survivors (N = 798)		Non-survivors (N = 220)		p value (age and sex adjusted)	p value (fully adjusted)
Haemoglobin (g/L)	n = 739	13.0 (11.7–14.2)	n = 201	11.9 (10.3–13.2)	< 0.001	0.234
Lymphocytes (mm³)	n = 682	1055 (770–1450)	n = 186	790 (550–1030)	< 0.001	< 0.001
Neutrophils (mm³)	n = 684	4475 (3020–6520)	n = 187	5960 (4055–9810)	< 0.001	< 0.001
WBC (mm³)	n = 737	6180 (4770–8330)	n = 202	7475 (5530–10,840)	< 0.001	< 0.001
Platelets (mm³)	n = 739	230.000 (170.000–291.000)	n = 201	196.000 (137.000–263.000)	0.052	0.096
PT (INR)	n = 563	1.1 (1.0–1.2)	n = 150	1.2 (1.1–1.3)	0.004	0.013
D-dimer (mg/L)	n = 434	855 (471–1656)	n = 119	1493 (953–3195)	< 0.001	0.006
LDH (IU/L)	n = 423	274 (215–356)	n = 119	405 (293–512)	< 0.001	< 0.001
AST (IU/L)	n = 377	46 (30–74)	n = 92	55 (38–92)	0.194	0.118
ALT (IU/L)	n = 610	37 (22–59)	n = 180	30 (18–46)	0.663	0.606
C reactive protein (mg/L)	n = 654	6.1 (2.7–11.3)	n = 183	11.9 (7.0–18.4)	< 0.001	< 0.001
IL-6 (pg/mL)	n = 154	25.2 (9.8–61.6)	n = 35	75.9 (37.8–137.4)	0.004	0.016
Ferritin (ng/ml)	n = 318	754 (348–1397)	n = 96	843 (450–1544)	0.119	0.013
Creatinine (mg/dL)	n = 718	0.9 (0.7–1.1)	n = 202	1.2 (0.9–1.9)	< 0.001	< 0.001
Sodium (mmol/L)	n = 710	139 (137–141)	n = 193	140 (136–144)	0.004	0.033
Potassium (mmol/L)	n = 699	4.1 (3.8–4.4)	n = 187	4.2 (3.7–4.6)	0.116	0.306
Glycemia (mg/dL)	n = 612	105 (92–125)	n = 174	113 (93–152)	< 0.001	0.009

Fully adjusted: age, body temperature, heart rate, respiratory rate, systolic BP, diastolic BP, number of comorbidities, number of drugs, dementia, chronic heart failure, cancer, diabetes, COPD, asthma, previous myocardial infarction, previous stroke/TIA, atrial fibrillation, malnutrition