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