Table 1.
Characteristics of the study cohort (N = 553)
| n | % | |
|---|---|---|
| a. Demographics |
|
|
| Age ≥ 65 years |
430 |
77.8 |
| Sex (female) |
246 |
44.5 |
| b. Comorbidity |
|
|
| Nursing home residency |
145 |
26.2 |
| Immobility |
145 |
26.2 |
| Congestive heart failure |
121 |
21.9 |
| Cerebrovascular disease |
114 |
20.6 |
| Dementia |
170 |
30.7 |
| Chronic lung disease |
159 |
28.8 |
| Diabetes mellitus |
157 |
28.4 |
| Chronic kidney disease |
147 |
26.6 |
| Neoplastic disease |
35 |
6.3 |
| c. Severity criteria |
|
|
| Confusion |
94 |
17.0 |
| Urea >7 mmol/L |
287 |
51.9 |
| Respiratory rate ≥30/min |
46 |
8.3 |
| Blood pressure <90/≤60 mm Hg |
133 |
24.1 |
| Shock index >1.0 |
70 |
12.7 |
| d. Outcome |
|
|
| ICU* treatment during hospital stay |
58 |
10.5 |
| 30-day mortality | 59 | 10.7 |
*ICU: intensive care unit.