| Characteristics of patients | Number | Percentage (%) | |
| Age (years) | 40.04 ± 12.5 [16]-[65] | ||
| Sex | |||
| Male | 74 | 55 | |
| Female | 51 | 45 | |
| Occupation | |||
| Yes | 84 | 62.3 | |
| No | 51 | 37.77 | |
| Place of residence | |||
| Douala | 124 | 92 | |
| Out of Douala | 9 | 7 | |
| Abroad | 2 | 1 | |
| Marital status | |||
| Married | 84 | 62 | |
| Single | 47 | 35 | |
| Widow | 4 | 3 | |