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Table 4 Clinical characteristics of the patients interviewed according to memory of the intensive care unit

From: Application of the Italian version of the Intensive Care Unit Memory tool in the clinical setting

 

Clear recollection of ICU stay?

 

Parameter

Yes

No

P

Number of patients

25

62

-

Male sex

14 (56%)

37 (60%)

0.468

Age (years; mean [range])

68.1 ± 13.1 (20–87)

65.5 ± 15.0 (25–89)

0.450

Unscheduled ICU admission

10 (40%)

40 (65%)

0.032

APACHE II score

15 (9–18)

14 (12–17)

0.903

SAPS II score

34 (27–37)

35 (29–42)

0.487

Mean daily dose of morphine (mg)

19 ± 11

48 ± 131

0.309

No of patients receiving

   

   Propofol

2 (8%)

18 (29%)

0.028

   Benzodiazepine

8 (32%)

33 (53%)

0.059

   Neuroleptics

1 (4%)

14 (23%)

0.031

Duration (days) of

   

   Stay in ICU

6.2± 7.0

9.5± 12.3

0.027

   Stay in ICU range

3–37

3–72

 

   Mechanical ventilation (mean [range])

2.5 ± 1.9 (0–8)

7.0 ± 11.4 (0–64)

0.042

Number of

   

   Factual events

8 (7–9)

7 (5–8)

0.018

   Feelings

2 (0–3)

1 (1–2)

0.740

   Delusional memories

0 (0–1)

1 (0–1)

0.036

  1. Severity scores Acute Physiology and Chronic Health Evaluation (APACHE) II and Simplified Acute Physiology Score (SAPS) II, and the number of factual, feelings and delusional memories are reported as median (interquartile range). Statistically significant findings are highlighted in bold. ICU, intensive care unit.