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Table 2 Effect of number of traumatic memories on symptoms of post-traumatic stress disorder

From: Social support during intensive care unit stay might improve mental impairment and consequently health-related quality of life in survivors of severe acute respiratory distress syndrome

Group

PTSS-10 score (mean ± SD)

Number of recollections, n (percentage)

  

0

1

2

3

4

All patients

28.1 ± 13.9

3 (5)

7 (12)

17 (29)

13 (22)

19 (32)

'High-scoring patients'

46.3 ± 8.9

0 (0)

0 (0)

3 (17)

6 (33)

9 (50)

'Low-scoring patients'

20.6 ± 7.1

3 (7)

7 (17)

14 (34)

7 (17)

10 (24)

Difference

t = - 3.74; p ≤ 0.0001

     
  1. Comparison of Post-Traumatic Stress Syndrome 10-Questions Inventory (PTSS-10) score in all patients with the use of the t test to prove a difference between 'high-scoring patients' with a PTSS-10 score greater than or equal to the cutoff score of 35 points, indicating an increased risk for the development of post-traumatic stress disorder, and 'low-scoring patients' with a PTSS-10 score below the cutoff score. The number (percentage) of patients yielding the indicated numbers of recollection with respect to pain, difficulties in breathing, nightmares and anxiety are also shown. SD, standard deviation of the mean.