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(A) LDA multivariate analysis of obtained spectra per sample for identification of spectral differences between normal and abnormal (HPV ± CIN or cancerous) tissue. (B) Proportion (percent) of correct classification when correlating iKnife diagnosis to gold-standard histology following PC-LD analysis. Leave-one-sample-out cross-validation: (a) normal (normal cervical tissue) vs. abnormal (HPV + CIN + cancer); (b) normal vs. cancer; (c) normal vs. HPV ± CIN; (d) HPV ± CIN vs. cancer.
