Table 4: Single sample prediction by PAM50 centroids and predicted subtypes by PLS-regression for independent validation dataset.

PAM50 SSP
(sample number)
Predicted subtype
Basal-likeHER2-enrichedLuminal-ALuminal-BNormal
breast-like
Unclassified

Basal-like (97)83101012
HER2-enriched (94)06303028
Luminal-A (165)031308024
Luminal-B (121)051073033
Normal breast-like (56)13171826
Unclassified (2)000002