Characteristics | No. | HPV-16 * | r | P # | |||
---|---|---|---|---|---|---|---|
 |  | - | ± | + | ++ |  |  |
Age (years) | Â | Â | Â | Â | Â | Â | Â |
   53.13 ± 10.05 | 54 | 22 | 12 | 15 | 5 | 0.299 | 0.028 |
Lymph-node metastasis | Â | Â | Â | Â | Â | Â | Â |
   Yes | 36 | 16 | 8 | 9 | 3 | 0.115 | 0.408 |
   No | 18 | 6 | 4 | 6 | 2 |  |  |
Cancer grade | Â | Â | Â | Â | Â | Â | Â |
   I | 16 | 8 | 3 | 2 | 1 | 0.301 | 0.027 |
   II | 28 | 13 | 8 | 8 | 3 |  |  |
   III | 10 | 1 | 1 | 5 | 1 |  |  |