Table 2: Demographic profile of reactive samples for bartonellosis in Brazil from 2011 to 2017.
| Variable | Absolute frequency | Relative frequency |
| Color/Race | ||
| Not Informed | 280 | 58.34 |
| White | 89 | 18.55 |
| Brown | 70 | 14.58 |
| Indigenous/Yellow | 21 | 4.37 |
| Black | 20 | 4.16 |
| Gender | ||
| Male | 254 | 52.92 |
| Female | 226 | 47.08 |
| Age group | ||
| 0 - 10 | 192 | 40.00 |
| 11 - 17 | 90 | 18,75 |
| 18 - 59 | 179 | 37.29 |
| 59 + | 19 | 3.96 |
| Zone of residence | ||
| Not informed | 302 | 62.92 |
| Urban | 160 | 33.34 |
| Rural | 15 | 3.12 |
| Peri-urban | 3 | 0.62 |