Table 1.
Characteristics and co-morbidities of the recurrent emergency department (ED) visitors.
| All Recurrent ED Visitors N = 372 |
Frequent ED Visitors N = 213 |
Repeated ED Visitors N = 159 |
|
|---|---|---|---|
| Age, years | 50.3 (18.5) | 51.2 (19.1) | 49.2 (17.6) |
| Sex (female), n (%) | 154 (41.4%) | 85 (39.9%) | 69 (43.4%) |
| Charlson co-morbidity index | 2 (0–6) | 3 (0–6) | 1 (0–4) |
| <4, n (%) | 225 (60.5%) | 113 (53.1%) | 112 (70.4%) |
| ≥4, n (%) | 147 (39.5%) | 100 (46.9%) | 47 (29.6%) |
| Arterial hypertension, n (%) | 147 (39.5%) | 92 (43.2%) | 55 (34.6%) |
| Mental disorders, n (%) | 121 (32.5%) | 47 (22.1%) | 74 (46.5%) |
| Chronic kidney failure, n (%) | 86 (23.1%) | 61 (28.6%) | 25 (15.8%) |
| Rheumatic disease, n (%) | 81 (21.8%) | 66 (31.0%) | 15 (9.4%) |
| Malignant disease, n (%) | 69 (18.6%) | 49 (23.0%) | 20 (12.6%) |
| Metastatic disease, n (%) | 26 (7.0%) | 20 (9.4%) | 6 (3.8%) |
| Coronary heart disease, n (%) | 60 (16.1%) | 39 (18.3%) | 21 (13.2%) |
| Diabetes mellitus, n (%) | 59 (15.9%) | 32 (15.0%) | 27 (17%) |
| Chronic obstructive pulmonary disease, n (%) | 49 (13.2%) | 16 (7.5%) | 33 (20.8%) |
| Chronic liver insufficiency, n (%) | 20 (5.4%) | 13 (6.1%) | 7 (4.4%) |
| Cerebrovascular disease, n (%) | 16 (4.3%) | 11 (5.2%) | 5 (3.1%) |
| Regular drug abuse, n (%) | 58 (15.6%) | 35 (16.4%) | 23 (14.5%) |
| Past drug abuse, n (%) | 23 (6.2%) | 17 (8.0%) | 6 (3.8%) |
| Suicide attempt in the past, n (%) | 43 (11.6%) | 19 (8.9%) | 24 (15.1%) |
| Domestic violence in the history, n (%) | 21 (5.6%) | 13 (6.1%) | 8 (5.0%) |
ED = Emergency Department; Results were presented as mean (standard deviation) or median (25th–75th percentile).