Table 2

List of variables in final model for predicting three or more unplanned admissions

FeatureData typeDescription
Admission age 61–90 flagBinary1 if Admitted age 61–90, 0 otherwise
Admission age 90+ flagBinary1 if admitted age ≥90, 0 otherwise
Chronic condition (cascading) COPD flagBinaryCascading chronic condition flag for COPD
Chronic condition (cascading) heart failure flagBinaryCascading chronic condition flag for heart failure
Chronic condition (cascading) disorder due to tobacco flagBinaryCascading chronic condition flag for disorder due to tobacco use
Complexity ≥3 flagBinary1 if number of body systems treated is 3 or more,28 0 otherwise.
Marital status flagBinary1 if divorced, widowed or separated, 0 otherwise
Total unplanned episodes past 365 daysIntegerIn past 365 days prior to discharge
No of non-admitted ED presentations 365 daysIntegerCalculated for past 365 days from discharge
No of HIPs (any group)IntegerNumber of enrolments in any HIP group for past 180 days
No of OP attendedIntegerIn past 365 days from IP discharge
Failed to attend ratio OP 365 daysFloatCalculated for past 180 and 365 days from discharge
No OP bookings flag past 365 days flagBinary1 if no OP bookings in past year, 0 otherwise
Usual accommodation age care, alone flagBinary1 if patient is living in age care facility or living alone, 0 otherwise
Potential avoidable emergency admission flagBinary1 if patient had ICD10 diagnosis code from,29 0 otherwise
IRSEAD Decile Within AustraliaIntegerABS Index of Relative Socio-economic Advantage and Disadvantage by postcode (0-low, 10-high)
Total LOS unplanned episodes 180 daysIntegerCalculated for past 180 days from discharge
Total LOS unplanned episodes 365 daysIntegerCalculated for past 365 days from discharge