Table 1. Demographic profiles and association with incidence of high-risk human papillomavirus.
| Parameter | No of patients (%) | No of High risk HPV positive (%) | No of High risk HPV negative (%) | p-value |
| Age (years) | 0.050* | |||
| ≤60 | 31 (48.4) | 6 (85.7) | 25 (43.9) | |
| >60 | 33 (51.6) | 1 (14.3) | 32 (56.1) | |
| Gender | 1.000 | |||
| Male | 63 (98.4) | 7 (100.0) | 56 (98.2) | |
| Female | 1 (1.6) | 0 (0.0) | 1 (1.8) | |
| Smoking status | 0.017* | |||
| None smoker | 18 (28.1) | 5 (71.4) | 13 (22.8) | |
| Past smoker | 6 (9.4) | 1 (14.3) | 5 (8.8) | |
| Current smoker | 40 (62.5) | 1 (14.3) | 39 (68.4) | |
| Alcohol consumption | 0.149 | |||
| None drinker | 28 (43.8) | 5 (71.4) | 23 (40.4) | |
| Moderate drinker | 10 (15.6) | 0 (0.0) | 10 (17.5) | |
| Heavy drinker | 26 (40.6) | 2 (28.6) | 24 (42.1) | |
| Primary tumor site | 0.042* | |||
| Pyriform sinus | 42 (65.6) | 7 (100.0) | 35 (61.4) | |
| Posterior pharyngeal wall | 19 (29.7) | 0 (0.0) | 19 (33.3) | |
| Postcricoid region | 3 (4.7) | 0 (0.0) | 3 (5.3) | |
| T classification | 0.697 | |||
| T1/T2 | 30 (46.9) | 4 (57.1) | 26 (45.6) | |
| T3/T4 | 34 (53.1) | 3 (42.9) | 31 (54.4) | |
| Cervical metastasis | 1.000 | |||
| Yes | 48 (75.0) | 5 (71.4) | 43 (75.4) | |
| No | 16 (25.0) | 2 (28.6) | 14 (24.6) | |
| Postoperative irradiation | 1.000 | |||
| Yes | 44 (68.8) | 5 (71.4) | 39 (68.4) | |
| No | 20 (31.2) | 2 (28.6) | 18 (31.6) | |
| Histologic differentiation | 0.796 | |||
| Well | 12 (18.8) | 2 (28.6) | 10 (17.5) | |
| Moderately | 41 (64.1) | 4 (57.1) | 37 (64.9) | |
| Poorly | 11 (17.2) | 1 (14.3) | 10 (17.5) | |
| Lymphovascular invasion | 1.000 | |||
| Yes | 43 (67.2) | 5 (71.4) | 38 (66.7) | |
| No | 21 (32.8) | 2 (28.6) | 19 (33.3) | |
| Extracapsular spread | 1.000 | |||
| Yes | 34 (53.1) | 4 (57.1) | 30 (52.6) | |
| No | 30 (46.9) | 3 (42.9) | 27 (47.4) |
*
p<0.05.