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Table 8 Sensitivity analyses for the additional costs per patient per day

From: An economic appraisal of the Australian Medical Sheepskin for the prevention of sacral pressure ulcers from a nursing home perspective

Factor

Input values*

Additional cost per day

Difference between low-high, as % of base value

 

Low

Base

High

Low

Base

High

 

Frequency of changing

5

3

1

1.25

2.28

7.41

270

Cost of washing

4

6

8

1.61

2.28

2.95

59

Durability of AMS

70

50

30

2.12

2.28

2.66

24

Purchase price of AMS

75

85

95

2.21

2.28

2.35

6

Price per day of treating pressure ulcer grade 1

20

15

10

2.24

2.28

2.32

4

Price per day of treating pressure ulcer grade 2

22

17

12

2.23

2.28

2.33

4

Duration in days pressure ulcer grade 1

22

16

10

2.23

2.28

2.33

4

Duration in days pressure ulcer grade 2

50

40

30

2.24

2.28

2.32

4

Effectiveness of AMS

7

6

5

2.23

2.28

2.33

4

Ratio between grade 1 and 2 pressure ulcer

60/40

70/30

80/20

2.25

2.28

2.31

3

Length of stay

70

78

86

2.25

2.28

2.31

3

Extra stock

10

30

50

2.28

2.28

2.28

0

Length of wash/supply cycle

1

3

5

2.28

2.28

2.28

0

  1. *The low input values are all these that influence the balance in the direction of favouring the AMS