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AVALIA-T
avalia-t, Axencia de Avaliación de Tecnoloxías Sanitarias de Galicia Herramienta
SCORE CALCULATION
ScoreDescription
Domain (D) (n criteria) Score (P)

This is the sum of the scores obtained in the domain's n prioritisation criteria:

P=c1+c2+...+cn= Σc

c= score for each prioritisation criterion (range 1-9)

n= number of criteria

The minimum score is n (1 point x n criteria) and the maximum score 9n (9 points x n criteria).

Weighted score (Ppd)

This is the total score for the domain (P), multiplied by the weight allocated to the domain (Weight) and divided by the maximum score for that domain (Pmax).

Ppd=P x Weight / Pmax

The maximum score obtainable is the value of the weight allocated to the domain (Weight)

Weighted base-100 score (Pb100)

This is the transformation of the weighted score (Ppd) on a scale of 0 to 100.
The formula for calculating it, is

Pb100=((Ppd-Ppd min)/(Ppd max-Ppd min))X100

Ppd=Weighted score obtained in the domain

Ppd min= Minimum weighted score possible in the domain

Ppd max= Maximum weighted score possible in the domain

The minimum score obtainable is 0 and the maximum score 100

Total score (PT)

This is the sum of the scores obtained in N domains.

PT=P1+P2+...+PN=ΣP

P= Score in each domain.

N= Number of domains for assessing the technology

Total weighted score (PTpd)

This is the sum of the weighted scores obtained in N domains

PTpd=Ppd1+Ppd2+...+PpdN=ΣPpd

Ppd= Weighted score assigned to each domain

N= Number of domains for assessing the technology

Total weighted base-100 score (PTb100)

This is the transformation of the total weighted score (PTpd) on a scale of 0 to 100.

PTb100=((PTpd-PTpd min)/(PTpd max-PTpd min))X100

PTpd= Total weighted score obtained

PTpd min= Total minimum weighted score

PTpd max= Total maximum weighted score

The minimum score is 0 and the maximum score 100

This is the value used to compare the respective technologies and depict them graphically

Figures for each domain

The weighted base-100 score (Pb100) is shown for each domain

Technology comparison figures

Two graphical representation options are given, namely:

showing the total weighted base-100 score (PTb100) for each technology; and,

plotting a cumulative-score figure, showing each domain's weight in its total weighted base-100 score (PTb100).

The following table shows the value assumed by each variable in the obsolete technology tool.

Obsolete Domains Criteria Score Weight Weighted Score
Minimum Maximum Minimum Maximum
End-Users 4 4 36 36,7% 4 37
Benefit/risk 3 3 27 36,7% 4 37
Organisation 3 3 27 26,6% 3 26
Total 10 10 90   11 100

avalia-t, Axencia de Avaliación de Tecnoloxías Sanitarias de Galicia