TABLE 2.
Relationship between Epstein–Barr virus status, p16 status, and World Health Organization histology in the endemic southern China cohort.
| Parameter | Total (%) | No. of EBV(+) (%) | No. of EBV(−) (%) | p value |
|---|---|---|---|---|
| WHO type | ||||
| Keratinizing | 1 (1.2) | 1 (1.2) | 0 | |
| Nonkeratinizing-differentiated | 10 (11.6) | 8 (9.3) | 2 (2.3) | .027 |
| Nonkeratinizing-undifferentiated | 74 (86.0) | 73 (84.9) | 1 (1.2) | |
| Basaloid | 1 (1.2) | 1 (1.2) | 0 | |
| p16 IHC | ||||
| Positive | 2 (2.3) | 2 (2.3) | 0 | |
| Negative | 80 (93.0) | 77 (89.5) | 3 (3.5) | .78 |
| N/A | 4 (46.5) | N/A | N/A | |
Abbreviations: EBV, Epstein–Barr virus; WHO, World Health Organization; IHC, immunohisto-chemistry; N/A, not available.