Fig. 2

Performance of the pretrained BERT+CRF model across entity types. Panel A presents the relaxed F₁ scores and panel B compares actual and predicted entity labels using confusion matrices. In B, some lines do not sum to 100% owing to rounding. BERT bidirectional encoder representations from transformers, CRF conditional random field, eGFR estimated glomerular filtration rate, PFS progression-free survival SLR systematic literature review