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Table 4 Comparison between HR-HPV negative vs HR-HPV positive OSCCs/OPSCCs and CK19 staining expression and localization in perilesional mucosa (Mann Whitney U Test) Two-tailed p value: 0.017

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

Group

N

Median

Avg Rank

Min

Max

HR-HPV negative

19

1.0

11.368

0.0

3.0

HR-HPV positive

7

3.0

19.286

1.0

3.0