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Table 2 Principal components from the principal component analysis of the TOP 50 lipids

From: Sex-specific plasma lipid profiles of ME/CFS patients and their association with pain, fatigue, and cognitive symptoms

Component Variance % of variance Cumulative variance % Headache (p-value) Physical pain (p-value) Cognitive difficulties (p-value) Fatigue (p-value)
1 18.757 37.515 37.515 0.111 0.273 0.144 0.284
2 4.714 9.428 46.943 0.026 0.835 0.04 < 0.001
3 4.306 8.611 55.555 0.001 0.027 0.028 0.004
  1. The three components that explain half of the variance of the lipid data are listed in the table. The association of each component with headache, physical pain, cognitive difficulties or fatigue was evaluated using fixed effect. Significant relation between component and symptoms are indicated by underlined p-value in bold, after B–H correction