Table 2.
Clinico-pathological characteristics of patients.
| Patients’ Characteristics | HPV-Positive Tumor Patients (n = 6) | HPV-Negative Tumor Patients (n = 34) | P Value * | Non-Tumor Patients (n = 12) | P Value ** |
|---|---|---|---|---|---|
| General | |||||
| Age (years) | 50.0 (13.0) | 50.5 (28.0) | 0.7 | 43.5 (38.0) | 0.7 |
| Male gender | 5 (83.3%) | 22 (64.7%) | 0.6 | 9 (81.8%) | 1.0 |
| Risk factors | |||||
| Oral thrush in history | 1 (20.0%) | 4 (14.3%) | 1.0 | 1 (10.0%) | 1.0 |
| Tuberculosis in history | 0 (0.0%) | 4 (14.3%) | 1.0 | 0 (0.0%) | a |
| Herpes zoster in history | 0 (0.0%) | 2 (7.1%) | 1.0 | 0 (0.0%) | a |
| HIV-positive | 0 (0.0%) | 4 (12.9%) | 1.0 | 2 (20.0%) | 0.5 |
| Smoker | 4 (80.0%) | 13 (46.4%) | 0.3 | 4 (40.0%) | 0.3 |
| Pack years | 3.0 (12.0) | 0.0 (4.0) | 0.1 | 0.0 (1.0) | 0.05 |
| Duration of smoking (years) | 15.0 (30.0) | 0.0 (9.0) | 0.08 | 0.0 (4.0) | 0.04 |
| Number of cigarettes | 6.0 (7.0) | 0.0 (6.0) | 0.2 | 0.0 (5.0) | 0.05 |
| Alcohol | 4 (80.0%) | 10 (35.7%) | 0.1 | 2 (20.0%) | 0.09 |
| Locally brewed alcohol | 4 (80.0%) | 8 (28.6%) | 0.047 | 1 (10.0%) | 0.02 |
| Duration of drinking alcohol (years) | 17.0 (21.0) | 0.0 (5.0) | 0.1 | 0.0 (1.0) | 0.02 |
Data are presented as absolute numbers with percentages in brackets or medians with interquartile ranges in brackets. * Comparison of HPV-positive tumor patients with HPV-negative tumor patients. ** Comparison of HPV-positive tumor patients with non-tumor patients. (a) An exact Fisher test was not performed as the variable is a constant.