Notas metodológicas

Overview on the development and application of the key concepts for decision-making in health care

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Key concepts group comparisons between treatments.
2.1. Do not be misled by unfair comparisons!

Different comparison groups

Indirect comparisons

Different attention and care

Different expectations or behaviors

Different outcome assessment

Unreliable assessment of outcomes

Many people have not followed up

Outcomes considered in the wrong group

2.2. Don't be misled by unreliable summaries of treatment comparisons!

Non-systematic summaries

Selective report

Unsupported assumptions

2.3. Don't be misled by how the effects of treatments are described!

Words only

Relative effects

Average effectsPocas personas o eventos

Análisis de subgrupos

Estadísticamente significativo

Sin intervalo de confianza

No evidence

Source: Elaborated by authors based on Oxman et al. [4].