Allele/ Genotype OSCC (n= 35 ) Frequency (%) Controls (n=15) Frequency (%) P-Value Arg/Arg 8 23% 5 33% 0.720 Arg/Pro 20 57% 7 47% 0.8097 Pro/Pro 7 20% 3 20%

Table 2: Distribution of the P53 codon 72 alleles and genotypes in OSCC samples and controls.