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Table 4 Calculating overall value scores

From: Strengthening the evidence-base of integrated care for people with multi-morbidity in Europe using Multi-Criteria Decision Analysis (MCDA)

  Range performance score Performance Standardised performancea Weights Weighted aggregation
Integrated care Comparator
worst-best Integrated care Comparator Integrated care Comparator P1 P2 P1 P2 P1 P2
Health & well-being
 Physical functioning 0–100 60 70 0.65 0.76 0.100 0.250 0.065 0.163 0.076 0.190
 Psychological well-being 0–100 70 50 0.81 0.58 0.150 0.100 0.122 0.081 0.087 0.058
 Social participation & relationships 0–4 3 4 0.60 0.80 0.125 0.100 0.075 0.060 0.100 0.080
 Resilience 1–5 2 4 0.45 0.89 0.050 0.100 0.022 0.045 0.045 0.089
 Enjoyment of life 0–4 4 3 0.80 0.60 0.300 0.150 0.240 0.120 0.180 0.090
Experience
 Person-centeredness 1–4 4 3 0.80 0.60 0.100 0.050 0.080 0.040 0.060 0.030
 Continuity of care 1–5 5 3 0.86 0.51 0.125 0.050 0.107 0.043 0.064 0.026
Costs
 Total health and social care costs 8500–5500 8000 6000 0.20 0.40 0.050 0.200 0.010 0.040 0.020 0.080
Overall value score 0.722 0.592 0.632 0.643
  1. Performance: hypothetical average performance values, Weights: hypothetical weights obtained in DCE for stakeholder group 1 (P1) and 2 (P2), weighted aggregation: aggregation of standardised performance measures using weights for each stakeholder group
  2. aPerformance scores are standardised with the following formula: \( {S}_{aj}=\frac{x_{aj}}{{\left({x}_{aj}^2+\kern0.5em {x}_{bj}^2\right)}^{1/2}} \), where x = performance score on the natural scale, a = integrated care, b = comparator, j = criteria j