Region Cancer Type Pro/Pro Genotype p-Value Author
    (Cases) n(%) (Controls) n(%)    
Taiwan Lung Cancer 15(41.7) 8(20.0) 0.01 Wang et al. [24]
USA Lung Cancer 79(16.4) 61(12.0) 0.03 Fan et al. [16]
China Colorectal Cancer 85(24.6) 105(15.7) <0.0001 Zhu et al. [26]
Turkey Thyroid Cancer 13(22.4) 10(8.7) <0.05 Aral et al. [27]
Tunisia Nasopharyngeal Cancer 23(20.0) 6(7.0) 0.03 Hadhri et al. [28]
India Oral Squamous Cell Carcinoma 22(14.6) 7(4.6) 0.005 Addala et al. [29]
Table 6: Frequency Distribution of Pro/Pro Genotype-TP53 codon 72 polymorphism between cases & controls & its association with different cancers.