| Number | (%) | TI* 95% | |
| Alcohol |
|
|
|
| Yes | 38 | 79.2 | 65.0 - 89.5 |
| No | 10 | 20.8 | 10.5 - 35.0 |
| Tobacco |
|
|
|
| Yes | 36 | 75.0 | 60.4 - 86.4 |
| No | 12 | 25.0 | 13.6 - 39.6 |
| gastroesophageal reflux |
|
|
|
| Yes | 20 | 41.7 | 27.6 - 56.8 |
| No | 28 | 58.3 | 43.2 - 72.4 |
| Diabetes |
|
|
|
| Yes | 01 | 02.1 | 0.1 - 1.1 |
| No | 47 | 97.9 | 88.9 - 99.9 |
| HIV |
|
|
|
| Yes | 03 | 06.3 | 1.3 - 17.2 |
| No | 45 | 93.8 | 82.8 - 98.7 |