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72 Hyperbaric Oxygenation Therapy KCE Reports 74
Table 25. Distribution functions for input variables
Variable
Base Case
value
Lower
Bound
Upper
Bound
Distribution
Investment 12-multiplace 800 000 750 000 850 000 Uniform
Investment 6-multiplace 710 000 660 000 760 000 Uniform
Investment monoplace 140 000 115 000 165 000 Uniform
Maintenance cost as % of inv. Price 1.5% 1% 2% Beta
For investment price a uniform distribution is applied. For the proportion variable
maintenance cost (as % of investment price), a beta distribution is applied. The impact of
lifetime of the equipment is afterwards analyzed through one-way sensitivity analysis
(see section 5.9.6).
5.9.5 Results: cost per patient per session
600
500
400
300
200
100
By applying probabilistic modelling and running 1000 Monte Carlo simulations, the
uncertainty of the input variables is translated into uncertainty on the result. In the
following figure (Figure 32), the mean cost per patient per session is shown for each of
the 36 scenarios. Table 26 also provides the credibility interval, total number of patients
being treated and use of personnel.
Figure 32. Average cost per session: 3-way scenario analysis
0
30% 50% 70% 90%
Monoplace - 1 session/day
Monoplace - 2 sessions/day
Monoplace - 3 sessions/day
6-place - 1 session/day
6-place - 2 sessions/day
6-place - 3 sessions/day
12-place - 1 session/day
12-place - 2 sessions/day
12-place - 3 sessions/day