Survival and clinicopathological characteristics of different histological grades of oral cavity squamous cell carcinoma: A single-center retrospective study.

PLoS One · 2020 · PMC7447052 · PMID 32841288

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an increasing trendno p-value reported

Comparing among three groups, the proportion of females was slightly increased with an increasing trend in grade of tumor cell differentiation (p trend = 0.024).

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