Table 1 Baseline characteristics of the patient population

Age, mean (years)

62.2

57.9

0.367

Female sex

12 (36.4 %)

12 (41.4 %)

0.686

Body mass index (kg/m²), mean

22.3

22.1

0.826

Hypertension

11 (33.3 %)

8 (27.6 %)

0.624

Diabetes mellitus

8 (24.2 %)

6 (20.7 %)

0.739

Ischemic heart disease

0 (0 %)

1 (3.4 %)

0.282

Chronic renal failure

3 (9.1 %)

2(6.9 %)

0.752

Angiotensin converting enzyme inhibitor

5 (15.2 %)

4 (13.8 %)

0.880

Angiotensin receptor blocker

0 (0 %)

1 (3.4 %)

0.282

Beta blocker

6 (18.2 %)

1 (3.4 %)

0.067

Calcium channel blocker

7 (21.2 %)

3 (10.3 %)

0.246

Diuretic

1 (3 %)

1 (3.4 %)

0.926

Statin

2 (6.1 %)

4 (13.8 %)

0.304

Oxygen saturation, %

97.7 %

97.7 %

0.919

Body temperature (^oC), mean

37.3

37.5

0.195

Glasgow coma scale, mean score

11.8

15

<0.001*

Bacteremia

15 (45.5 %)

3 (10.7 %)

0.027*

 - Gram positive

2 (6.1 %)

0 (0 %)

 - Gram negative

12 (36.4 %)

3 (10.7 %)

 - Others

1 (3 %)

0 (0 %)

Renal replacement therapy

4 (12.1 %)

0 (0 %)

0.053*

Mechanical ventilation

17 (51.5 %)

0 (0 %)

<0.001*

 - Non-invasive ventilation

1 (3 %)

0 (0 %)

 - Invasive mechanical ventilation

16 (48.5 %)

0 (0 %)

SOFA score, mean

10.2

1.6

<0.001*