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Box plot comparing the Ki-67 mRNA levels of HNSCC and normal control samples, HNSCC samples with clinical stage I–II and clinical stage III–IV, with different T stages, with lymph node (N1–N2) and without lymph node (N0), with metastasis (M1-M2) and without metastasis (M0), with survival status and HNSCC samples with different grades. The p-values were computed using one-way analysis of variance and Tukey s’ post hoc test.
