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The opinion produced by engaging with any of the topic Annalisas on this site is not to be treated as a medical opinion, since this can only be offered by a medically-qualified person. It is an opinion about a health decision which combines the evidence, processed by health professionals, with the personal values entered by the user.
The opinion is not to be interpreted as advice or recommendation and the user should make any decision in their own chosen way, consulting a health professional if and when they believe it appropriate to do so.
The opinion is based the expected value principle, which means multiplying the ratings for the performance of each option on each criterion by the importance weight assigned to the criterion by the user and summing across all criteria. It treats every future year (month, week) of life as equally important, whenever it will occur in relation to the present. It assigns the same rating (100%) to the best option on each criterion to ensure the user’s weights are properly reflected in the opinion. (For more details see ‘The case for expected value’ .)
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