Table 1.
Characteristics of the study population (n = 371)
| Age, years | 80.1 (6.4) |
| Female | 183 (49.3%) |
| Living independently | 333 (89.8%) |
| »1 comorbidities | 327 (88.1%) |
| »4 medications | 229 (61.7%) |
| Current smoking | 39 (10.5%) |
| Weight, kg | 73.2 (17.1) |
| Height, cma | 168 (9.5) |
| Risk of deliriumb | 221 (59.6%) |
| Falls in the last 6 months | 169 (45.6%) |
| Katz Index of Independence in Activities of Daily Living score >1c | 150 (40.4%) |
| Six-Item Cognitive Impairment Test score | 4 (0–8) |
| Elective admission | 57 (15.4%) |
| Nonsurgical admission | 212 (57.1%) |
| Onset of delirium during hospitalizationd | 32 (8.6%) |
| Length of stay, days | 5.0 (3.0–8.0) |
| Time between measurements, daysd | 5.0 (3.0–7.0) |
| Hand grip strength, kg | 20.6 (9.9) |
| Skeletal muscle mass, kg | 26.1 (6.0) |
| Appendicular lean mass, kg | 20.1 (5.5) |
| Skeletal muscle mass index, kg/m2 | 9.2 (1.5) |
| Relative skeletal muscle mass, % | 36.4 (6.0) |
| Relative appendicular lean mass, % | 27.9 (5.8) |
Variables are presented as mean (standard deviation), n (%), or median (interquartile range).
a
Based on knee height and LASA formula.
b
Risk of delirium in case one or more questions were answered positive: presence of memory problems, depending on care in the 24 h prior to admission, delirium during previous hospitalization.
c
Range 0–6, 0 = independent.
d
Assessed in 222 patients.