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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)