| Indicator | Group 1 EDSSU (n = 1546) | Group 2 internal medicine (n = 552) | Group 3 cardiology (n = 336) | p | p Group 1- Group 2 | p Group 1- Group 3 | p Group 2- Group 3 |
| Age | 82.43 (8.72) | 83.70 (8.39) | 67.00 (13.73) | 0.000 | 0.027 | 0.000 | 0.000 |
| Length of stay | 4.75 (3.18) | 10.93 (9.64) | 12.63 (11.54) | 0.000 | 0.000 | 0.000 | 0.001 |
| Charlson index | 0.90 (1.09) | 1.15 (1.44) | 1.41 (1.42) | 0.000 | 0.000 | 0.000 | 0.007 |
| Mortality | 4.00% | 18.10% | 7.10% | 0.000 | 0.000 | 0.038 | 0.000 |
| Urgent readmission in 30 days | 18.30% | 21.20% | 14.10% | 0.043 | 0.502 | 0.224 | 0.129 |
| Women | 67.70% | 69.40% | 46.10% | 0.000 | 1.000 | 0.000 | 0.000 |