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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
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