Table 1.
Baseline characteristics of the study participants
| Characteristics | Frequency (n=70) |
|---|---|
| Age (years), median (interquartile range) | 71.5 (62.0−78.0) |
| Male, n (%) | 45 (64.3%) |
| Body Mass Index (kg/m2), mean ± SD | 20.54±3.32 |
| Level of education, n (%) | |
| Primary school | 44 (64.7%) |
| Secondary school | 8 (11.8%) |
| University | 6 (8.8%) |
| Unknown | 10 (14.7%) |
| APACHE II, median (interquartile range) | 13 (10−17) |
| Glasgow Coma Score, mean ± SD | 14.3±1.29 |
| Delirium, n (%) by DSM-IV-TR | 13 (18.6%) |
| Delirium, n (%) by CAM-ICU | 12 (17.1%) |
| Mechanically ventilated, n (%) | |
| Delirium | 5 (22.7%) |
| Causes of ICU admission, n (%) | |
| Sepsis | 9 (12.8%) |
| Respiratory failure | 7 (10.0%) |
| Myocardial infarction/congestive heart failure | 5 (7.1%) |
| Cardiac arrest/shock | 3 (4.3%) |
| Hepatic or renal failure | 3 (4.3%) |
| Other causes | 43 (61.4%) |
| Hospital stay (days), median (interquartile range) | 17 (11−25) |
Notes: Data are presented as number and percent, mean ± SD, or median (25th−75th percentiles).
Abbreviations: APACHE II, Acute Physiologic and Chronic Health Evaluation II; CAM-ICU, The Confusion Assessment Method for the Intensive Care Unit; DSM-IV-TR, Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; n, number; SD, standard deviation; ICU, intensive care unit.