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Table 4 Cost analysis

From: Intervention by a clinical pharmacist carried out at discharge of elderly patients admitted to the internal medicine department: influence on readmissions and costs

 

Total

Intermediate risk of potentially avoidable readmission

High risk of potentially avoidable readmission

Control (n = 303)

Intervention (n = 286)

Control (n = 100)

Intervention (n = 89)

Control (n = 18)

Intervention (n = 20)

30-day readmissions, No. (%)

61 (20.13)

47 (16.43)

30 (30.00)

17 (19.10)

9 (50.00)

8 (40.00)

ARR of 30-day readmission (%)

3.70

10.90

10.00

NNT

27

9

10

Incremental cost for the intervention to prevent one readmission a (€)

3,091.19

1,049.30

1,143.74

Cost saving b (€)

1,301.26

3,343.15

3,248.71

  1. ARR absolute risk reduction NNT number needed to treat
  2. aNNT × Cost of the intervention per patient [€45,749.58 (median annual clinical pharmacist salary)/400 (patient population that could be recipients of the intervention over 1 year]
  3. bIncremental cost for the intervention to prevent one readmission – Cost per admission (€4,392.45)
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BMC Health Services Research

ISSN: 1472-6963

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