of borderline significancep = 0.004
Only PIK3C2G cg17881542 was present in this dataset and, although the data were of borderline significance (log-rank test, p = 0.004; HR = 0.77, 95% CI 0.59–1.01), we could observe that high methylation levels of cg17881542 were associated with favorable prognosis in HNSCC (Fig. 5 b).