Table 1 Demographic and clinical data of all study patients (N = 30). The study monitoring time begins from admission to ICU. Values are given as median (range), or total number of patients (%, percentage of all patients in subgroup), as appropriate

Age (years)

59 (30 to 80)

Gender, female/male (N, %)

12 (40%) / 18 (60%)

BMI (kg/m²)

27.8 (23.7 to 33.5)

Study monitoring time (h)

50 (31 to 70)

Propofol infusion dose during monitoring period (mg/kg/h)

1.2 (0.0 to 3.9)

Hourly opioid dose as morphine equivalent (mg/h)

1.4 (0.1 to 33.3)

Emergency ICU admittance

6 (20%)

Planned postoperative ICU admittance

18 (60%)

ICU LOS (days)

17 (2 to 37)

Hospital LOS (days)

18 (2 to 42)

SOFA score on 1st day

8 (4 to 15)

Discharged to a high-dependency unit

4 (14%)

In-hospital death

4 (13%)

Main reason for admittance to ICU:

 Gastro-intestinal

8 (27%)

 Cardiac

6 (20%)

 Pancreatitis

5 (17%)

 Ruptured abdominal aortic aneurysm

4 (13%)

 Infection

4 (13%)

 Urologic

1 (3%)

 Thoracic

2 (7%)

Electrocardiogram dominant rhythm:

 Sinus rhythm

81%

 Atrial fibrillation

12%

 Pacemaker rhythm

7%