Summary statistics of the 11 years of data with mean value or percentage of separations with the relevant flag
| Property | All | Readmitted <3 | Readmitted ≥3 |
| No of separations | 206 714 | 192 679 | 14 035 |
| No of patients | 125 743 | 125 258 | 4730 |
| Female % | 50.3% | 50.5% | 47.8% |
| Average admission age | 55.9 | 55 | 67.7 |
| Admission age 61–90 flag | 41.5% | 39.7% | 66.7% |
| Admission age 90+ flag | 2.7% | 2.6% | 3.8% |
| Chronic condition (cascading) COPD flag | 4.5% | 3.6% | 17.4% |
| Chronic condition (cascading) disorder due to tobacco flag | 6.4% | 5.2% | 22.7% |
| Chronic condition (cascading) heart failure flag | 5.4% | 4.3% | 19.5% |
| Complexity ≥3 flag | 27.4% | 25.7% | 50.1% |
| Failed to attend ratio OP 365 days | 8.7% | 7.7% | 21.5% |
| Marital status flag | 22.7% | 21.5% | 39.2% |
| No OP bookings in past 365 days flag | 65.5% | 68.1% | 30.3% |
| No of HIPs (any group) | 0.22 | 0.17 | 0.83 |
| No of non-admitted ED presentations | 0.5 | 0.4 | 1.5 |
| No of OP attended past year | 1.5 | 1.3 | 4 |
| Potential avoidable emergency admission flag | 25.5% | 24.3% | 42.4% |
| IRSEAD decile within Australia | 4.6 | 4.6 | 4 |
| Total LOS unplanned episodes 180 days | 4.6 | 4.1 | 10.7 |
| Total LOS unplanned episodes 365 days | 5.4 | 4.7 | 14.9 |
| Total no unplanned eisodes past 365 days | 1.6 | 1.5 | 3.6 |
| Usual accommodation agecare, alone flag | 2.6% | 2.4% | 6.2% |
COPD, chronic obstructive pulmonary disease; ED, emergency department; HIP, Health Independence Program; IRSEAD, Relative Socio-economic Advantage and Disadvantage; LOS, Length of Stay; OP, emergency department.