Table 4.
Low VEGF, HGF, IL-6, IL-8, and MMP-9 are the patients with lower levels than each of the mean levels, and high means higher levels than each of the mean levels.
HNSCC: head and neck squamous cell carcinoma; WD: well differentiated; MD: moderately differentiated; PD: poorly differentiated; VEGF: vascular endothelial growth factor; HGF: hepatocyte growth factor; IL: interleukin; MMP: matrix metalloproteinase.