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Statistical Comparisons between p16/INKK4a and Morphology, EBV Detection, and Ki-67 Proliferation Index
| Parameters | Group 1 (p16/INK4a−) (n = 8) | Group 2 (p16/INK4a+) (n = 9) | P values |
|---|---|---|---|
| Morphology | |||
| Polymorphic LP-PLDs | 1 | 6 | 0.049* |
| Monomorphic LP-PLDs | 7 | 3 | |
| EBV genome | |||
| Absent | 5 | 0 | 0.015* |
| Present | 3 | 9 | |
| Ki-67 labeling index | |||
| Mean± SD | 68 ± 12.4% | 34 ± 9.3% | 0.0008† |
SD: standard deviation.
*Fisher’s exact test.
†Mann-Whitney U-test.
