Table 1 Characteristics of COVID-19 patients and SARS-CoV-2^– patients hospitalized for severe community-acquired pneumonia (CAP) participating in the study

Men (N, %)

57 (63%)

14 (64%)

NS

Age (years, SD)

63 ± 11

69 ± 17

0.0171

SOFA score Day 1

3.5 [0–12]

6 [1–13]

0.0065

Body mass index

 < 30

47 (52%)

16 (73%)

NS

 > 30

40 (44%)

5 (25%)

NS

Comorbidity (N, %)

Arterial hypertension

60 (67%)

10 (45%)

NS

Diabetes mellitus

35 (39%)

6 (27%)

NS

Chronic renal failure

5 (6%)

2 (9%)

NS

Cirrhosis

1 (1%)

2 (9%)

NS

Previous cancer:

2 (2%)

2 9%)

NS

Hematological malignancy:

1 (1%)

0 (0%)

NS

Immune deficiency

11 (12%)

2 (9%)

NS

Treatment (N, %)

Corticosteroids

90 (100%)

2 (9%)

NS

Tocilizumab

9 (10%)

0 (0%)

NS

Organ support therapy (N, %)

Mechanical ventilation

50 (56%)

8 (28%)

NS

Hemodialysis

9 (10%)

2 (9%)

NS

Biological data (mean) [min–max]

Neutrophil count (G/L)

7.59 [0.78–22.8]

11.55 [2.7–19.4]

0.0047

Lymphocyte count (G/L)

0.76 [0.12–1.87]

0.84 [0.16–1.51]

NS

CRP (mg/L)

152 [0–428]

253 [0–418]

0.0094

Fibrinogen (g/L)

6.9 [4.84–9]

6.61 [1.29–10.2]

NS