Table 1.
Demographic and epidemiological characteristics of patients with brucellosis (total, No. = 850)
| Variable | No.(%) |
|---|---|
| Sex | |
| Male | 633 (74.5) |
| Female | 217 (25.5) |
| Residence | |
| Urban | 177 (20.8) |
| Rural | 673 (79.2) |
| Age group | 3–87 |
| Mean age | 46.0 ± 13.4 |
| 0-17 years | 19 (2.2) |
| 18–40 years | 239 (28.1) |
| 41–65 years | 544 (64.0) |
| >65 years | 48 (5.7) |
| Mean hospitalization time (day) | 12.1 ± 2.8 |
| The mean time from symptom onset to hospitalization | 59.2 ± 99.2 |
| Admission date (month) | |
| Spring (3–5) | 273 (32.1) |
| Summer(6–8) | 303 (35.7) |
| Autumn(9–11) | 137 (16.1) |
| Winter (12–2) | 137 (16.1) |
| Medical history | |
| Exposure and farming of cattle or sheep | 599 (70.5) |
| Consumption history of raw meat or dairy | 76 (8.9) |
| Unknown | 175 (20.6) |
| Occupation | |
| Farmer and herdsman | 437 (51.4) |
| Worker | 118 (13.9) |
| Vagrant | 88 (10.4) |
| Student | 16 (1.9) |
| Veterinarian | 3 (0.3) |
| Other | 188 (22.1) |
| Staging | |
| Acute | 781 (91.9) |
| Chronic | 69 (8.1) |