Age | 72 (7.2), 17–103 |
Male, n (%) | 583 (57.4%) |
Nursing home, n (%) | 247 (24.3%) |
Coexisting illness | |
Congestive heart failure, n (%) | 124 (12.2%) |
COPD, n (%) | 167 (16.4%) |
Bronchiectasis, n (%) | 22 (2.2%) |
Asthma, n (%) | 50 (4.9%) |
Pneumoconiosis, n (%) | 2 (0.2%) |
Old pulmonary tuberculosis, n (%) | 85 (8.4%) |
Cerebrovascular disease, n (%) | 176 (17.3%) |
Neoplastic disease, n (%) | 1 (0.1%) |
Renal disease, n (%) | 84 (8.3%) |
Liver disease, n (%) | 13 (1.3%) |
Clinical parameters | |
Pulse rate | 101 (19.9), 43–161 |
Systolic blood pressure | 142 (28.2), 65–247 |
Diastolic blood pressure | 72 (15.5), 40–140 |
Temperature | 38 (1.1), 34–42 |
Respiratory rate | 25 (5.8), 14–48 |
Glasgow Coma Score | 15 (0.8), 3–15 |
O2 saturation (Sao2%) | 95 (4.4), 70–100 |
Laboratory results | |
Sodium (mmol/l) | 136.0 (6.1), 111–264 |
Urea (mmol/l) | 7.9 (5.9), 1.1–53 |
Glucose (mmol/l) | 7.3 (2.4), 0.3–24.6 |
Arterial pH | 7.4 (0.06), 6.6–7.6 |
Haematocrit | 0.35 (0.06), 0.14–0.71 |
Radiographic findings | |
Bilateral lung involvement, n (%) | 280 (27.6%) |
>2 zones involvement†, n (%) | 276 (27.2%) |
Pleural effusion, n (%) | 99 (9.7%) |
Outcome measures | |
30 day mortality, n (%) | 87 (8.6%) |
ICU admission, n (%) | 41 (4.0%) |
Mechanical ventilation, n (%) | 25 (2.5%) |
Hospital LOS (days) | 9.3 (8.5) |