Table 1 Baseline patient characteristics

Age (years)

74 ± 11

Gender (%)

13 males (68)

Duration of shock prior to inclusion (hours)

16 ± 6

APACHE II score

24 ± 10

Intensive care unit length of stay (days)

12 ± 8

In-hospital mortality (n (%))

10 (53)

Source of infection (n (%))

  Respiratory infection

11 (58)

  Abdominal infection

6 (32)

  Bacteremia

1 (5)

  Urinary tract infection

1 (5)

Comorbidities (n (%))

  Chronic hypertension

19 (100)

  Diabetes

2 (10)

  Chronic renal failure

2 (10)

Usual mean arterial pressure acquired from previous medical records (mmHg)

93 ± 7

Fluid infusion during the study (ml)

185 ± 55