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Table 3 Risk scores for all-cause unplanned readmission (in bold common predictors to all risk scores; in italic predictors with negative associated scores)

From: Predicting 7-day, 30-day and 60-day all-cause unplanned readmission: a case study of a Sydney hospital

7-days readmission 30-days readmission 60-days readmission
Feature Score OR (95%CI) Feature Score OR (95%CI) Feature Score OR (95%CI)
Last admission in ≤ 1 month 5 1.96 (1.65–2.30) Last admission in ≤ 1 month 6 2.18 (1.88–2.50) CumLOS in past year > 7 days 10 3.52 (3.13–3.93)
Admitted via ED 4 1.81 (1.52–2.12) CumLOS in past year > 7 days 6 2.17 (1.83–2.54) Older than 85 5 1.88 (1.62–2.18)
CumLOS in past year > 7 days 4 1.79 (1.49–2.13) Solid tumor without metastasis 5 1.87 (1.63–2.14) 0 < CumLOS in past year ≤ 7 days 5 1.83 (1.72–1.96)
Solid tumor without metastasis 4 1.71 (1.48–2.00) Admitted via ED 4 1.71 (1.55–1.89) Solid tumor without metastasis 4 1.70 (1.30–2.17)
Psychosis 4 1.67 (1.21–2.24) Older than 85 3 1.55 (1.29–1.85) Psychosis 4 1.69 (1.44–1.97)
Last surgery in ≤ 6 h -3 0.65 (0.60–0.71) Psychosis 3 1.49 (1.08–1.96) Metastatic cancer 4 1.62 (1.18–2.14)
Older than 85 3 1.49 (1.20–1.84) Drug abuse 3 1.46 (1.14–1.82) Admitted via ED 3 1.57 (1.44–1.71)
Rheumatoid arthritis 2 1.37 (1.17–1.60) Diabetes, complicated 3 1.40 (1.17–1.65) Last admission in ≤ 1 month 3 1.53 (1.23–1.85)
Alcohol abuse 2 1.35 (1.08–1.67) Medicare public patient 2 1.37 (1.27–1.47) Drug abuse 3 1.46 (1.15–1.80)
Medicare public patient 2 1.34 (1.21–1.49) Cardiac arrhythmia 2 1.32 (1.13–1.51) Congestive heart failure 3 1.41 (1.05–1.82)
Depression 2 1.32 (1.04–1.64) Chronic pulmonary disease 2 1.31 (1.10–1.54) Medicare public patient 3 1.41 (1.31–1.51)
Drug abuse 2 1.31 (0.94–1.74) Abnormal last CRP 2 1.27 (1.14–1.42) Alcohol abuse 2 1.36 (1.15–1.58)
Normal last Lipase 2 1.29 (1.10–1.50) Allied Health Intervention 2 1.26 (1.09–1.45) Overseas visitor -2 0.76 (0.70–0.83)
Abnormal last FBC 2 1.28 (1.05–1.53) Abnormal last FBC 1 1.20 (1.02–1.39) Age between 65 and 85 2 1.30 (1.20–1.40)
Abnormal last CRP 1 1.23 (1.06–1.41) Normal last Blood Alcohol 1 1.19 (1.04–1.35) Allied Health Intervention 2 1.22 (1.06–1.39)
Last ward = Emergency/Mobile Unit 1 1.22 (1.08–1.37) Abnormal last LFT 1 1.18 (1.04–1.34) Abnormal last FBC 1 1.21 (1.05–1.38)
Not Married 1 1.21 (1.08–1.36) Abnormal last UEC 1 1.17 (1.04–1.32) Abnormal last LFT 1 1.21 (1.08–1.35)
Discharged between 14:00–24:00 1 1.18 (1.07–1.29) LOS > 7 days 1 1.15 (0.98–1.35) Normal last INR 1 1.21 (1.07–1.36)
Abnormal last UEC 1 1.17 (1.01–1.35) Not Married 1 1.14 (1.05–1.25) Referred by other practitioner −1 0.83 (0.80–0.87)
Abnormal last LFT 1 1.15 (0.98–1.33)     Not Married 1 1.18 (1.09–1.27)
       Abnormal last UEC 1 1.16 (1.04–1.29)
       LOS > 7 days 1 1.15 (0.97–1.33)
       Number of panels > 10 1 1.14 (1.01–1.27)