Characteristics of the study sample
| Variable | Study sample (N=68) |
| Age (years) | 61.7±17.4 |
| Gender | |
| Female | 27 (39.7%) |
| Male | 41 (60.3%) |
| Body mass index | 27.2±8.5 |
| ICU type | |
| Coronary care unit | 5 (7.4%) |
| Medical ICU | 33 (48.5%) |
| Trauma/surgical ICU | 30 (44.1%) |
ICU, intensive care unit.