Table 1.
Description and comparison of demographic variables and habits of the two study groups.
| Group | p-Value | ||
|---|---|---|---|
| Controls | Patients | ||
| Age | 74.82 (8.17) | 76.54 (5.65) | 0.142 |
| Gender | 0.868 | ||
| Female | 54 (65.1) | 44 (63.8) | |
| Male | 29 (34.9) | 25 (36.2) | |
| Educational level | 0.02 | ||
| none | 16 (19.3) a | 17 (24.6) a | |
| Primary | 28 (33.7) a | 22 (31.9) a | |
| Secondary | 22 (26.5) a | 27 (39.1) a | |
| University | 17 (20.5) a | 3 (4.3) b | |
| Smoking | 0.064 | ||
| Yes | 20 (24.1) | 8 (11.6) | |
| No | 43 (51.8) | 35 (50.7) | |
| Ex-smoker | 20 (24.1) | 26 (37.7) | |
| Alcohol | 0.022 | ||
| No | 51 (61.4) a | 45 (65.2) a | |
| Once a week | 7 (8.4) a | 5 (7.2) a | |
| Weekend | 13 (15.7) a | 18 (26.1) a | |
| Daily | 12 (14.5) a | 1 (1.4) b | |
a,b Significant difference compared with patients group/control group. Statistical significance was established as p < 0.05.