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Table 6 Properties of graphical tools available to summarise multiple outcomes in NMA

From: Spie charts for quantifying treatment effectiveness and safety in multiple outcome network meta-analysis: a proof-of-concept study

Properties Methodological Frameworks
Rank-o-grams Scatter plota Rank heat plot Radar plot Spie charts
Summary type
  Does not depend on ordering of outcomes
  Single figure
Outcome measures
Same units
  Absolute effects
  P (best)
  All ranking probabilities
  Mean or median rank
Different units
  Relative effects
Outcome preferences
 Straightforward ability to weight outcomes
Other considerations
 Can include > 2 outcomes
 Can accommodate missing outcomes
  1. aScatter plots of two outcomes [35]