| Parameters | No. Examined | No. Positive | Seroprevalance (%) | χ2 | P value |
| Wound |
|
|
|
|
|
| Present | 266 | 245 | 92.1 | 113.543 | 0.000 |
| Absent | 118 | 50 | 42.4 | ||
| Total | 384 | 295 |
|
|
|
| Purpose |
|
|
|
|
|
| No work | 101 | 46 | 45.5 | 75.305 | 0.000 |
| Free range | 283 | 247 | 88.0 | ||
| Total | 384 | 295 |
|
|
|