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Table 5 Comparison between HR-HPV negative vs HR-HPV positive OSCCs/OPSCCs, CK19 staining expression (intensity in A, localization in B) in distant mucosa (Mann Whitney U Test)

From: Relationship between CK19 expression, deregulation of normal keratinocyte differentiation pattern and high risk-human papilloma virus infection in oral and oropharyngeal squamous cell carcinoma

5A) Two-tailed p value: 0.032
Group N Median Avg Rank Min Max
HR-HPV negative 17 0.0 9.647 0.0 3.0
HR-HPV positive 4 3.0 16.75 2.0 3.0
5B) Two-tailed p value: 0.025
Group N Median Avg Rank Min Max
HR-HPV negative 17 0.0 9.588 0.0 3.0
HR-HPV positive 4 2.0 17.0 1.0 3.0