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Table 8 Comparison of Huang et al.’s recursive partitioning analysis (RPA) staging against IUCC/AJCC staging for the oropharyngeal subsite

From: A different entity: a population based study of characteristics and recurrence patterns in oropharyngeal squamous cell carcinomas

Stages at presentation RPA staging IUCC/AJCC staging p-value*
Oropharyngeal Subsite 1 or 2 92(75 %) 12(10 %) <0.001
3 or 4 29(24 %) 109(89 %)
Unknown 1(1 %) 1(1 %)
  1. *α = 0.05, significant results in bold using chi-square test