Table 2. Establishment of principal components.
Rotated Component Loadings | ||
CDV risk factors | Component 1 | Component 2 |
Age | 0.79 | −0.11 |
Cholesterol (mmol/L) | 0.31 | 0.48 |
HDL (mmol/L) | −0.21 | 0.90 |
Systolic BP (mmHg) | 0.81 | 0.14 |
Eigen value | 1.42 | 1.1 |
Percentage of variance explained by each component (%) | 35.5 | 26.5 |
Cumulative percentage | 35.5 | 62.0 |
Eigen vectors (factor loadings for standardized variables) for first two principal components.