> Compared with the final diagnosis, the pre-biomarker diagnosis was maintained in 71/200 cases (75.5%) (Kappa = 0.576), while the post-biomarker diagnosis was maintained in 189/200 cases (94.5%) (Kappa = 0.906).

Even without this method, the doctors have been able to give diagnosis with 75.5% accuracy (according to the paper's claim).