Table 2.
Pearson’s correlations between experience of intensive care unit and medical factors with psychological symptoms.
| M or f |
SD or % |
IES-r | HAS r |
HDS | ||
|---|---|---|---|---|---|---|
| Days in ICU | 17.97 | 16.88 | -0.23 | -0.42* | -0.22 | |
| Days in ward after ICU | 20.48 | 15.99 | 0.38* | 0.04 | 0.10 | |
| APACHE II (at admission) | 11.45 | 5.32 | -0.21 | -0.24 | 0.17 | |
| GCS (at admission) | 12.10 | 3.98 | 0.29 | 0.10 | -0.10 | |
| Days in MV | 16.50 | 15.60 | -0.26 | -0.44* | -0.20 | |
| Weaning relapses1 | 3.97 | 3.91 | -0.16 | -0.37* | -0.05 | |
| Midazolam (%)2 | .30 | 0.25 | -0.37* | -0.43* | -0.36 | |
| Propofol (%)2 | .42 | 0.25 | 0.52** | 0.44* | 0.32 | |
| Remifentanil (%)2 | .40 | 0.29 | 0.41* | 0.17 | 0.14 | |
| Fentanyl (%)2 | .29 | 0.26 | -0.18 | 0.11 | -0.14 | |
| Corticosteroids daily mean dose (mg)3 | 282 | 399 | -0.11 | -0.25 | -0.38* | |
| Confusion / agitation | Yes | 13 | 45 | -0.26 | -0.13 | -0.07 |
| Nightmares recollections | Yes | 8 | 28 | 0.41* | 0.16 | -0.01 |
| Anxiety recollections | Yes | 10 | 35 | 0.13 | 0.02 | -0.17 |
| Pain recollections | Yes | 5 | 17 | -0.09 | -0.11 | 0.00 |
| Difficulty in breathing recollections | Yes | 9 | 31 | 0.31 | 0.22 | 0.12 |
| At least one negative recollection | Yes | 21 | 72 | 0.28 | 0.05 | -0.13 |
| Multidimensional recollections4 | Yes | 10 | 34 | 0.41* | 0.24 | 0.05 |
N=29; *p<0.05, **p<0.01; IES-r=impact of event scale-revised, HAS=anxiety subscale of Hospital Anxiety and Depression Scale (HADS), HDS=depression subscale of HADS, APACHE=acute physiology and chronic health evaluation, GCS=glasgow coma scale, MV=mechanical ventilation; 1Higher scores on this factor refers to more frequent alterations on MV status; 2Days with administration to total days in ICU; 3Hydrocortisone equivalents; 4More than one category of negative recollections about nightmares, anxiety, pain and suffocation.