Table 5. Factor loadings of the four sperm quality traits obtained by means of a principal component analysis.
Factor loadings | ||
Sperm quality traits | Factor score 1 | Factor score 2 |
% normal sperm | 0.899 | 0.069 |
% acrosome integrity | 0.892 | −0.192 |
% live sperm | −0.169 | 0.938 |
% motile sperm | 0.626 | 0.680 |
eigenvalue | 2.062 | 1.348 |
variance explained (%) | 51.5 | 33.7 |
Factors were rotated by Varimax rotation method.