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Table 2 Proportion of NPC cases based on sequence diversity (number of amino acid conversion) when compared to other EBV-related diseases.

From: Conserved mutation of Epstein-Barr virus-encoded BamHI-A Rightward Frame-1 (BARF1) gene in Indonesian nasopharyngeal carcinoma

Number of amino acid conversion Frequency (N) for sample of NPC and other EBV-related diseases NPC
(%)
p value
0 21 11 (52.4) Reference
1 4 1 (25.0) 0.593
2 39 37 (94.8) < 0.001
3 and 4 7 7 (100.0) 0.030
  1. The presence of 3 and 4 mutations were put in one analysis to enhance statistical power.