Patient characteristics, chief diagnosis for admission and outcome
| Characteristics | n=1262 |
|---|---|
| Demographics | |
| Age (years), median (IQR) | 76 (64–83) |
| Female, n (%) | 560 (44.4) |
| Nursing home resident, n (%) | 37 (2.9) |
| Underlying diseases, n (%) | |
| Cerebrovascular disease | 156 (12.4) |
| Congestive heart failure | 101 (8.0) |
| Chronic respiratory disease | 155 (12.3) |
| Chronic kidney disease | 100 (7.9) |
| Chronic liver disease | 77 (6.1) |
| Diabetes mellitus | 243 (19.3) |
| Malignancy | 222 (17.6) |
| Dementia | 121 (9.6) |
| Autoimmune disorder | 63 (5.0) |
| HIV positive | 3 (0.2) |
| Vital signs | |
| Heart rate (beats/min), median (IQR) | 98 (85–156) |
| Systolic blood pressure (mm Hg), median (IQR) | 131 (113–150) |
| Respiratory rate (breaths/min), median (IQR) | 20 (18–24) |
| Body temperature (°C), median (IQR) | 38.1 (37.1–39) |
| Mental confusion, n (%) | 215 (17.0) |
| Laboratory data | |
| White blood cell count (109/L), median (IQR) | 10.5 (7.6–14.6) |
| Platelet count (×109/L), median (IQR) | 196 (150–256) |
| C reactive protein (mg/L), median (IQR) | 72.3 (18.2–149.2) |
| Blood urea nitrogen (mmol/L), median (IQR) | 6.9 (5.0–10.2) |
| Chief diagnosis for admission | |
| Pneumonia | 393 (33.6) |
| Urinary tract infection | 188 (16.1) |
| Skin and Soft tissue infection | 62 (5.3) |
| Acute cholangitis | 47 (4.0) |
| Acute cholecystitis | 33 (2.8) |
| Bowel perforation | 21 (1.8) |
| Other bacterial infection | 150 (12.8) |
| Non-bacterial infection | 103 (8.8) |
| Non-infection | 174 (14.9) |
| Unclear | 92 (7.3) |
| Bacteraemia, n (%) | 210 (16.6) |
| 30-day in-hospital mortality, n (%) | 106 (8.4) |