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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