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Table 2 Distribution of p53 codon 72 genotypes among oral cancer in cases and controls

From: P53 codon 72 polymorphism, human papillomavirus infection, and their interaction to oral carcinoma susceptibility

  Cases (n) Controls (n)  
First author Arg/Arg Arg/Pro Pro/Pro Arg/Arg Arg/Pro Pro/Pro P-value of HWE in controls
Patel KR et al. [28] 32 29 18 30 58 22 0.528
Wang Z et al. [18] 43 41 15 24 15 2 0.860
Ji X et al. [19] 103 74 11 179 140 23 0.532
Kuroda Y et al. [29] 41 44 15 109 117 45 0.159
Kitkumthorn N et al. [30] 35 40 3 27 47 20 0.957
Chen X et al. [31] 183 121 22 181 144 24 0.518
Zemleduch T et al. [32] 55 52 16 176 104 20 0.389
Ihsan R et al. [33] 30 63 23 63 143 72 0.619
Tu HF et al. [34] 53 106 30 41 60 15 0.337
Summersgill KF et al. [20] 102 70 18 168 112 28 0.144
Misra C et al. [35] 87 155 66 85 159 98 0.203
Lin YC et al. [36] 96 155 46 72 152 56 0.135
Saini R et al. [37] 22 40 37 28 39 23 0.215
  1. HWE: Hardy–Weinberg equilibrium