Table 1

Demographic and clinical characteristics of patients studied

Characteristic

All studied patients

'High-scoring patients'

'Low-scoring patients'


Risk for development of PTSD, n (percentage)

65

18 (29%)

44 (71%)

PTSD score (mean ± SD)

28.1 ± 13.9

46.3 ± 8.9

20.6 ± 7.1a

Age, years (mean ± SD)

39 ± 15

41 ± 13

39 ± 15

Sex, n (male/female)

35/30

8/10

25/19

Period between discharge and study, months (mean ± SD)

57 ± 32

56 ± 33

59 ± 31

Lung Injury Score (mean ± SD)

3.2 ± 0.5

3.3 ± 0.5

3.2 ± 0.5

APACHE II score (mean ± SD)

16 ± 6

15 ± 4

16 ± 6

ICU length of stay, days (mean ± SD)

47 ± 32

59 ± 37.0

42 ± 29b

Duration of mechanical ventilation, days (mean ± SD)

30 ± 22

37 ± 22

27 ± 22

Cause of ARDS, n (percentage within group)

Sepsis

13 (20)

5 (28)

8 (18)

Pneumonia

28 (43)

7 (39)

20 (45.5)

Multiple trauma

20 (31)

5 (28)

14 (32)

Other

4 (6)

1 (6)

2 (4,5)

ECMO, n (percentage within group)

7 (11)

3 (17)

4 (9)

Current status of employment, n (percentage within group)

Work/training

29 (46)

7 (39)

22 (50)

Unemployed/working at home

5 (8)

1 (5.5)

4 (9)

Retired

7 (10)

1 (5.5)

6 (14)

Disabled

12 (18)

8 (44)

4 (9)b

Others

6 (13)

1 (5.5)

5 (11)

No data

3 (5)

-

3 (7)


In 2 patients (3%) there were no data for PTSD. PTSD, post-traumatic stress disorder; SD, standard deviation of the mean; 'high-scoring patients', patients with a Post-Traumatic Stress Syndrome 10-Questions Inventory (PTSS-10) score greater than or equal to the cutoff score of 35 points, indicating an increased risk of development of PTSD; 'low-scoring patients', patients with a PTSS-10 score below the cutoff score; APACHE, Acute Physiology and Chronic Health Evaluation; ICU, intensive care unit; ARDS, acute respiratory distress syndrome; ECMO, extracorporeal membrane oxygenation. Significance was assumed at a two-tailed p < 0.05. aSignificant difference; btrend.

Deja et al. Critical Care 2006 10:R147   doi:10.1186/cc5070

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