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) |