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Impact of HPV DNA ((A) p = 0.64 at Log-Rank) and of p16 expression ((B) IRS ≥ 4 cut-off p = 0.21 at Log-Rank; (C) IRS ≥ 6 cut-off p = 0.97 at Log-Rank) on overall survival. Impact of HPV DNA ((D) p = 0.86 at Log-Rank) and of p16 expression ((E) IRS ≥ 4 cut-off p = 0.013 at Log-Rank; (F) IRS ≥ 6 cut-off p = 0.26 at Log-Rank) on relapse free survival of the overall series.
