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Table 1 Interpretations of the first two principal components and cumulative variance explained [24]

From: Perceived Links Between Playing Surfaces and Injury: a Worldwide Study of Elite Association Football Players

PC Cum. variance explained (%) Description
PC1: NTexp 46.2 Larger positive values are associated with players who have more experience of NT and less experience of other surfaces such as AT or Gravel, and vice-versa giving larger negative values.
PC2: GRvATexp 66.3 Larger positive values are generally associated with players who have more experience of Gravel and less experience of AT, and vice-versa giving larger negative values.
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