Table 2.
Patient characteristics and outcomes
| Characteristics | Total |
|---|---|
| Number of patients | 49,518 |
| Age, yr | 61 (45–72) |
| Sex, men | 54% |
| Baseline creatinine, mg/dl | 0.8 (0.6–0.8) |
| Baseline creatinine at outpatient clinic available | 30,188 (61.0%) |
| CKD (eGFR<60 ml/min per 1.73 m2) | 8754 (29.0%) |
| Medical units, % | |
| Cardiology | 6.1 |
| Endocrinology | 3.6 |
| Emergency medicine | 6.4 |
| Gastroenterology | 9.8 |
| Nephrology | 3.0 |
| Neurology | 1.6 |
| Oncology | 4.2 |
| Psychiatry | 1.4 |
| Respiratory medicine | 3.0 |
| Medical others | 2.6 |
| Surgical units, % | |
| Cardiac surgery | 1.2 |
| General surgery | 1.3 |
| Neurosurgery | 3.9 |
| Obstetrics and gynecology | 14.4 |
| Orthopedics | 7.1 |
| Otorhinolaryngology | 3.4 |
| Thoracic surgery | 2.1 |
| Urology | 5.8 |
| Vascular surgery | 4.3 |
| Other surgery | 3.3 |
| Intensive care unit admission, n | 4558 (9.2%) |
| Hospital mortality, n | 1533 (3.0%) |
| RRT, n | 125 (0.3%) |
| Hospital length of stay (d) | 10 (5–20) |
Age, baseline creatinine, and hospital length of stay were reported as medians (interquartile ranges).