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 |