Stratified analysis of associations between combined <i>p73</i> and <i>p53</i> 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.