COX7A1 and head and neck squamous cell carcinoma: We found that low expression of COX7A1 was correlated with favourable survival outcomes in patients with HPV+ (p = 0.0095, FDR = 0.092) (Figure 3B), but not HPV- HNSCC (p = 0.41, FDR = 0.59) (Figure 3C).