Stratified analysis of associations between combined p73 and p53 variant genotypes and tumor HPV16 status among oropharyngeal cancer patients.

aLow-Risk group: individuals with p53 Arg/Arg and p73 GC/GC genotypes; Medium-Risk group: individuals with p53 Arg/Arg and p73 AT carriers or p53 Pro carriers and p73 GC/GC; and High-Risk group: individuals with p53 Pro carriers and p73 AT carriers.bORs were adjusted for age, sex, ethnicity, smoking status, and alcohol use in a logistic regression model.cCASE/CNTL: HPV16+/HPV16− patients.dLow-risk group was used as the reference group.