Differences in frequent ED users’ characteristics between secondary and tertiary hospitals
| Total | Secondary hospital | Tertiary hospital | P value | |
| Patient level Number of patients (%): n=134 | 134 | 41 | 93 | |
| Age | ||||
| 14< | 19 | 2 (10.5) | 17 (89.5) | 0.004* |
| 15–64 | 51 | 19 (37.3) | 32 (62.7) | 0.190 |
| 65≥ | 64 | 20 (31.2) | 44 (68.8) | 0.875 |
| Gender | ||||
| Male | 58 | 39 (67.2) | 19 (32.8) | 0.635 |
| Female | 76 | 54 (71.1) | 22 (28.9) | |
| In-hospital death | ||||
| No | 131 | 41 (31.3) | 90 (68.7) | 0.245 |
| Yes | 3 | 0 (0) | 3 (100.0) | |
| Receiving public assistance | ||||
| No | 128 | 39 (30.5) | 89 (69.5) | 0.651 |
| Yes | 5 | 2 (40.0) | 3 (60.0) | |
| Visit level Number of visits (%): n=1043 | ||||
| Use of ambulance | ||||
| No | 834 | 364 (43.6) | 470 (56.4) | p=0.008* |
| Yes | 209 | 70 (33.5) | 139 (66.5) | |
| Hospitalisation | ||||
| No | 872 | 376 (43.1) | 496 (56.9) | p=0.026 |
| Yes | 171 | 58 (33.9) | 113 (69.0) | |
| Evaluating service in the ED | 439 | 114 (26.0) | 325 (74.0) | <0.001* |
| Internal medicine | 30 | 0 (0) | 30 (100.0) | <0.001* |
| Surgery | 84 | 25 (29.8) | 59 (70.2) | p=0.022 |
| Orthopaedics | 189 | 189 (100.0) | 0 (0) | <0.001* |
| Psychiatry | 98 | 10 (10.2) | 88 (89.8) | <0.001* |
| Paediatrics Obstetrics/Gynaecology | 95 | 85 (89. | 10 (1.1) | <0.001 |
ED, emergency department.