Table 2.
Comparison between patients and controls for their clinical and sociodemographic characteristics (X2 and Fischer exact test).
| Patients |
Controls |
p value | OR | 95% CI | |||
|---|---|---|---|---|---|---|---|
| n = 24 | % | n = 24 | % | ||||
| Sex | |||||||
| Female | 7 | 29.2 | 7 | 29.2 | 1.000 | 1 | |
| Male | 17 | 70.8 | 17 | 70.8 | 1.00 | (0.23–4.34) | |
| Age | |||||||
| <55 years old | 5 | 20.8 | 5 | 20.8 | 1.000 | 1 | |
| ≥55 years old | 19 | 79.2 | 19 | 79.2 | 1.00 | (0.07–13.7) | |
| Socio-economic status | |||||||
| Low | 12 | 50.0 | 5 | 20.8 | 0.281 | 1 | |
| Medium | 10 | 41.7 | 16 | 66.7 | 0.29 | (0.05–1.41) | |
| High | 2 | 8.3 | 3 | 12.5 | 0.24 | (0.24–2.35) | |
| Number of sexual partners | |||||||
| 1 to 2 | 9 | 37.5 | 17 | 70.8 | 0.030 | 1 | |
| 3 to 4 | 9 | 37.5 | 6 | 25.0 | 6.99 | (0.86–56.8) | |
| > 5 | 6 | 25.0 | 1 | 4.2 | 2.55 | (0.30 - ND) | |
| Oral sex practice | |||||||
| No | 9 | 37.5 | 3 | 12.5 | 0.0001 | 1 | |
| Yes | 9 | 37.5 | 0 | 0.0 | 0.11 | (0.02–0.80) | |
| DK/NR | 6 | 25.0 | 21 | 87.5 | |||
| Smoking habit | |||||||
| No | 16 | 66.7 | 3 | 12.5 | 0.0001 | 1 | |
| Yes | 8 | 33.3 | 21 | 87.5 | 0.18 | (0.03–0.65) | |
| Passive smoker | |||||||
| No | 20 | 83.3 | 7 | 29.2 | 0.0001 | 1 | |
| Yes | 4 | 16.7 | 17 | 70.8 | 0.07 | (0.02–0.32) | |
| Alcohol consumption | |||||||
| No | 12 | 50.0 | 10 | 41.7 | 0.562 | 1 | |
| Yes | 12 | 50.0 | 14 | 58.3 | 0.77 | (0.24–2.34) | |
| Acid reflux | |||||||
| No | 12 | 50.0 | 8 | 33.3 | 0.0001 | 1 | |
| Yes | 4 | 16.7 | 16 | 66.7 | 0.18 | (0.03–0.50) | |
| DK | 8 | 33.3 | 0 | 0.0 | |||
| Medication in the past 15 days | |||||||
| No | 15 | 62.5 | 9 | 37.5 | 0.099 | ||
| Yes | 9 | 37.5 | 15 | 62.5 | |||
| Tumor location | |||||||
| Amygdala | 4 | 16.7 | – | – | |||
| Hypopharynx | 1 | 4.2 | |||||
| Lower lip | 1 | 4.2 | |||||
| Larynx | 2 | 8.3 | |||||
| Tongue | 2 | 8.3 | |||||
| Oropharynx | 11 | 45.8 | |||||
| Not reported | 3 | 12.5 | |||||
Performed using X2 and Fisher exact test.
DK: does not know.
NR: No response.