Table 2.
Comparison between HPV negative and HPV positive patients according to the TNM 7th edition. Classification of the HPV positive patients according to the TNM 8th edition.
| T-stage (7th edition) | HPV negative | HPV positive | p-value 0.127 | T-stage (8th edition) | HPV positive |
|---|---|---|---|---|---|
| T1 | 0/160 (0.00%) | 12/100 (12.00%) | T1 | 12/100 (12.00%) | |
| T2 | 53/160 (33.13%) | 41/100 (41.00%) | T2 | 41/100 (41.00%) | |
| T3 | 36/160 (22.50%) | 19/100 (19.00%) | T3 | 19/100 (19.00%) | |
| T4a | 42/160 (26.25%) | 23/100 (23.00%) | T4 | 28/100 (28.00%) | |
| T4b | 19/160 (11.88%) | 5/100 (5.00%) | |||
| N-stage (7th edition) | 0.018 | N-stage (8th edition) | |||
| N0 | 37/160 (23.13%) | 17/100 (17.00%) | N0 | 17/100 (17.00%) | |
| N1 | 28/160 (17.50%) | 10/100 (10.00%) | N1 | 57/100 (57.00%) | |
| N2a | 4/160 (2.50%) | 5/100 (5.00%) | N2 | 20/100 (20.00%) | |
| N2b | 43/160 (26.88%) | 42/100 (42.00%) | N3 | 6/100 (6.00%) | |
| N2c | 45/160 (28.13%) | 20/100 (20.00%) | |||
| N3 | 3/160 (1.88%) | 6/100 (6.00%) | |||
| Stage (7th edition) | 0.504 | Stage (8th edition) | |||
| I | 1/160 (0.63%) | 0/100 (0.00%) | I | 43/100 (43.00%) | |
| II | 19/160 (11.88%) | 10/100 (10.00%) | II | 23/100 (23.00%) | |
| III | 26/160 (16.25%) | 11/100 (11.00%) | III | 34/100 (34.00%) | |
| IVa | 92/160 (57.50%) | 68/100 (68.00%) | IV | 0/100 (0.00%) | |
| IVb | 22/160 (13.75%) | 11/100 (11.00%) |
HPV: Human papillomavirus. Bold font: p < 5% significance levels.