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Prognostic nomograms (a, b) and calibration plots of survival probabilities at 3 years (c, d) and 5 years (e, f) in patients with NPC. The left panel represents the nomogram and calibration plots for distant metastasis-free survival (a, c, e); the right panel represents the nomogram and calibration plots for overall survival (b, d, f).
EBV, Epstein–Barr virus; HGB, hemoglobin; hs-CRP, high-sensitivity C-reactive protein; LDH, lactate dehydrogenase; NPC, nasopharyngeal carcinoma.
