Basal-Like Phenotype in a Breast Carcinoma Case Series from Sudan: Prevalence and Clinical/Pathological Correlations

Table 5

Component matrix of the five factors extracted by principal component analysis (PCA).

	Factor 1	Factor 2	Factor 3	Factor 4	Factor 5
ER	0.804	0.228	0.288	0.134	0.448
PgR	0.784	0.252	0.366	−0.015	−0.433
Her-2/neu	−0.391	−0.678	0.612	0.112	0.012
CK5/6	−0.585	0.538	0.351	−0.488	0.080
CK17	−0.598	0.553	0.123	0.564	−0.051