Table 1 Characteristics of the study population (n = 14)
| Variables | No. of patients |
|---|---|
| Gender | |
| Male | 11 |
| Female | 3 |
| Educational level | |
| Elementary school | 2 |
| High school | 5 |
| University | 7 |
| Mean age (years) | 44–83 (62.1) |
| Age (years) | |
| 40–49 | 2 |
| 50–59 | 3 |
| 60–69 | 6 |
| 70–79 | 2 |
| 80–89 | 1 |
| Occupation | |
| Employed | 11 |
| Unemployed | 0 |
| Retired | 3 |