| Number of Readmissions | ||||
| 2012 | 2013 | 2014 | 2015 | |
| Severity of Illness | ||||
| Extreme | 510 | 642 | 631 | 666 |
| Major | 1605 | 1871 | 1680 | 1843 |
| Moderate | 1235 | 1260 | 1189 | 1235 |
| Minor | 427 | 408 | 418 | 338 |
| Total | 3777 | 4181 | 3918 | 4082 |
| Severity of Illness | Readmission Patient Days | |||
| Extreme | 6395 | 6800 | 7286 | 7317 |
| Major | 10,353 | 11,795 | 10,693 | 11,700 |
| Moderate | 5487 | 5470 | 5449 | 5805 |
| Minor | 1453 | 1479 | 1532 | 1187 |
| Total | 23,688 | 25,544 | 24,960 | 26,009 |
| Severity of Illness | Readmission Rates | |||
| Extreme | 16.09 | 16.18 | 18.60 | 18.18 |
| Major | 12.17 | 12.30 | 12.73 | 13.66 |
| Moderate | 7.23 | 6.84 | 7.00 | 6.74 |
| Minor | 3.98 | 3.84 | 4.43 | 3.35 |
| Total | 8.55 | 8.67 | 9.11 | 8.96 |