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Fig. 2 | BMC Family Practice

Fig. 2

From: Cost-effectiveness of a multicomponent primary care program targeting frail elderly people

Fig. 2

Incremental net monetary benefits (in Euros) against WTP for Katz-15 change score* and QALY. Upper panels show the incremental net monetary benefits (in formula: iNMB = (WTP * ∆ effects) – ∆ costs) against WTP for Katz-15 change scores; lower panels show iNMBs against WTP for QALY. All iNMBs are negative, i.e. the intervention does not provide value for money compared to usual care (not significant). Sensitivity analyses, excluding medication costs, underline the results (right panels)WTP = Willingness to Pay. QALY = Quality Adjusted Life Year, derived from the EQ-5D-3 L, based on the Dutch tariff [29] using the trapezium rule.* Improvement on the Katz-15 change score is indicated by a lower score, meaning less functional decline regarding (instrumental) activities of daily living

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