Total population

n = 48

GHQ-28 < 5

n = 34

GHQ-28 ≥ 5

n = 14

p-value*

Age, years

67 ± 12

65 ± 12

72 ± 10

0.048

Male

34 (71)

26 (77)

8 (57)

0.181

Smokers

16 (33)

12 (35)

4 (29)

0.653

Comorbidities

Hypertension

27 (56)

19 (56)

8 (57)

0.936

Chronic heart disease

7 (15)

5 (15)

2 (14)

0.970

Diabetes

10 (21)

6 (18)

4 (29)

0.397

Cancer

12 (25)

9 (27)

3 (21)

0.714

Chronic respiratory disease

8 (17)

6 (18)

2 (14)

0.776

Peripheral vascular disease

9 (19)

8 (24)

1 (7)

0.186

Hypothyroidism

3 (6)

1 (3)

2 (14)

0.140

Chronic liver disease

2 (4)

0

2 (14)

0.081

None

7 (15)

5 (15)

2 (14)

0.970

Type of admission

0.822

Medical

16 (33)

11 (32)

5 (36)

Surgical

32 (67)

23 (68)

9 (64)

SAPS II score on admission

29 ± 8

28 ± 7

31 ± 10

0.355

SOFA score on admission

3.0 [2.0 - 5.8]

3.0 [2.8 - 5.0]

4.0 [2.0 - 7.0]

0.357

Infection at admission

19 (40)

15 (44)

4 (29)

0.317

Duration of MV, days

2.0 [1.0 - 7.8]

2.0 [1.0 - 5.8]

3.0 [0 - 9.0]

0.639

Duration of sedation, days

2.5 [1.0 - 5.0]

2.0 [1.0 - 5.0]

3.0 [0.8 - 6.5]

0.854

Psychotropic medication in ICU

10 (21)

9 (27)

1 (7)

0.134

ICU LOS (days)

5.0 [4.0 - 10.0]

4.0 [3.8 - 9.3]

6.5 [3.8 - 11.5]

0.505

Hospital LOS (days)

18.0 [13.3 - 32.0]

17.5 [12.8 - 34.5]

19 [13.8 - 30.0]

0.901