TABLE 1.
Demographics and baseline data
| Delirium (n = 10) | Controls (n = 10) | P value | |
|---|---|---|---|
| Age in years (IQR) | 84.0 (80.8–88.3) | 81.5 (78.8–88.5) | .631 |
| Female (%) | 6 (60) | 3(30) | .370 |
| Right‐handed (%) | 8(80) | 9(90) | 1 |
| History of delirium (%) | 2 (20) | 0 (0) | – |
| Duration of delirium at time of scan (days, IQR) | 4 (2.75–9.75) | – | – |
| IQCODE a /5 (IQR) | 3.2 (3.1–3.4) | 3.1 (3.0–3.2) | .052 |
| APACHE a /299 (IQR) | 34.5 (29.5–41.0) | 34.0 (23.5–40.3) | .684 |
| Charlson comorbidity score a /35 (IQR) | 5 (4–7) | 5 (3.8–6.5) | .853 |
| Accommodation type | |||
| Home n (%) | 9 (90) | 9 (90) | |
| Nursing home n (%) | 1(10) | 1 (10) | |
| Barthel index b /20 (IQR) | 19.5 (17.3–20.0) | 20.0 (20–20) | .315 |
| iADL index b /12 (IQR) | 8.5 (4.3–10.5) | 12 (11–12) | .029* |
| Blood sugar level prior to scan in mmol/L (IQR) | 5.9 (5.2–6.6) | 5.1 (4.6–6.8) | .218 |
Note: continuous data are presented in median and interquartile range, while categorical data are presented in percentages. Differences between the two groups were compared using the Mann–Whitney U test for continuous data and Fisher's exact test for categorical data.
Abbreviations: APACHE III, Acute Physiology and Chronic Health Evaluation III; iADL, Instrumental Activities of Daily Living; IQCODE, Informant Questionnaire on Cognitive Decline in the Elderly (a score of > 3.44 is suggestive of dementia); IQR, interquartile range.
a
Higher score indicates worse performance.
b
Higher score indicates better performance.
*
P < .05.