Table 4

Summary of test performance for predicting three or more unplanned admissions within 1 year of discharge for different case finding algorithms

MethodCountryModelDataTotal separations (patients)Test separations (patients)Target: 3 or more unplanned in 12 months
AUROC (95% CI)Sensitivity (95% CI)Specificity (95% CI)
HURTAustraliaXGBoostIP, ED, OP, ABS206 714 (125 743)34 801 (27 216)84.2%
(83.4 to 84.9)
57.2%
(55.4 to 59.0)
89.4%
(89.4 to 90.0)
HLCC @ NHAustraliaWeighted scoreIP, ED206 714 (125 743)34 801 (27 216)70.5%
(69.4 to 71.8)
48.1%
(46.3 to 50.0)
87.8%
(87.5 to 88.2)
HLCC Victoria17AustraliaWeighted scoreIP, EDN/A
(N/A)
N/A
(N/A)
N/A
(N/A)
41%*
(N/A)
N/A
(N/A)
  • *Recall was 78%.

  • ABS, Australian Bureau of Statistics; AUROC, Area Under the Reciever Operator Curve; ED, emergency department; HLCC, HealthLinks Chronic Care; HURT, Hospital Unplanned Readmission Tool; IP, inpatient; N/A, not available; OP, outpatient.