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Table 6 Factor analysis: loadings of related variables of ischaemic stroke in atrial fibrillation patients

From: LDL-C/HDL-C is associated with ischaemic stroke in patients with non-valvular atrial fibrillation: a case-control study

Variables PC1 PC2 PC3 PC4 PC5
HDL-C −0.91 − 0.01 0.10 0.21 0.05
LDL-C/HDL-C 0.89 − 0.03 0.05 0.27 −0.01
Drinking −0.02 0.84 0.06 −0.05 0.08
Smoking 0.00 0.83 −0.09 − 0.02 − 0.06
TG 0.08 0.00 0.79 −0.06 −0.11
TC −0.22 − 0.08 0.66 0.26 0.28
LDL-C 0.03 −0.01 0.21 0.86 −0.16
Age 0.02 −0.11 −0.38 0.56 0.33
Hypertension 0.18 −0.05 0.17 −0.12 0.82
Diabetes mellitus 0.16 −0.05 0.08 −0.06 −0.42
Eigenvalue 1.73 1.43 1.30 1.25 1.08
Explained variance (%) 17.27 14.25 13.04 12.49 10.78
Cumulative variance (%) 17.27 31.52 44.57 57.06 67.85
  1. HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, PC principal component, TC total cholesterol, TG triglycerides