Table 2 Summary of the Chi2 analysis for PRRSv-1 and PRRSv-2 positive samples collected from pigs in Lira District, Uganda
Variable | Category (N = 73) | PRRSv-1 prev. % (n) | PRRSv-2 prev. % (n) | Odds Ratio (95% CI) | Chi2 test, df, p-value |
|---|---|---|---|---|---|
Pig sex | Males (n = 35) | 25.71 (n = 9) | 0 (n = 0) | 1.12 (0.38–3.32) | 0.05, 1, 0.841 |
Females (n = 38) | 23.47 (n = 9) | 5.26 (n = 2) | 1 | ||
Pig age | ≤12 months (n = 48) | 29.17 (n = 14) | 4.17 (n = 2) | 1 | – |
> 12 months (n = 25) | 16.66 (n = 4) | 0 (n = 0) | 0.46 (0.13–1.59) | 1.53, 1, 0.216 | |
Gross pathology | 0–24% (n = 33) | 12.12 (n = 4) | 0 (n = 0) | 1 | – |
25–72% (n = 40) | 35.00 (n = 14) | 5.00 (n = 2) | 3.74 (1.15–15.05) | 3.93, 1, 0.023* | |
Slaughter slab | Teso bar (n = 39) | 28.20 (n = 11) | 2.56 (n = 1) | 1.30 (0.37–5.05) | – |
Adekokwok (n = 26) | 23.07 (n = 6) | 3.84 (n = 1) | 1 | ||
Amach mrket (n = 8) | 12.56 (n = 1) | 0 (n = 0) | 0.49 (0.01–5.27) | 0.936, 2, 0.626 | |
Origin of pig | Lira (n = 43) | 20.93 (n = 9) | 4.65 (n = 2) | 1 | |
Neighboring districts (n = 30) | 30.00 (n = 9) | 0 (n = 0) | 1.60 (0.53–4.83) | 0.37, 1, 0.37 |