Table 1 Baseline demographics and clinical characteristics
Variables | N = 47 |
|---|---|
Age, years | 68.0 [60.0–75.0] |
Female, n (%) | 27 (57.4%) |
Body mass index, kg/m2 | 22.0 [20.8–24.0] |
Comorbidity, n (%) | |
Hypertension | 31 (66.0%) |
Diabetes mellitus | 19 (40.4%) |
Cardiovascular disease | 10 (21.3%) |
Respiratory disease | 7 (14.9%) |
Chronic kidney disease | 9 (19.1%) |
Chronic liver disease | 1 (2.1%) |
Malignancy | 8 (17.0%) |
Others | 6 (12.8%) |
APACHE II at enrollment | 18.0 [17.0–20.0] |
Principal diagnosis on admission, n (%) | |
Pneumonia | 21 (44.7%) |
Congestive heart failure | 9 (19.1%) |
Extrapulmonary sepsis | 8 (17.0%) |
Acute exacerbation of COPD | 5 (10.6%) |
Others | 4 (8.3%) |
Type of acute respiratory failure, n (%) | |
Hypoxemic | 34 (72.4%) |
Hypercapnic | 5 (10.6%) |
Sepsis | 8 (17.0%) |