Table 3 Prevalence of gross pathology among pigs with post-weaning diarrhoea (PWD) and controls, respectively, and the odds ratio (OR) of findings in pigs with PWD compared to pigs without PWD
Gross pathology | Prevalence PWD-cases (%) | Prevalence controls (%) | OR (95%CI) |
|---|---|---|---|
Normal nutritional status | 81 | 85 | – |
Lean nutritional status | 18 | 15 | 1.2 (0.5;2.7) |
Stomach | |||
No ulcer | 43 | 32 | – |
Ulcer | 3 | 13 | 0.2 (0.0;0.7)* |
Hyperkeratosis | 38 | 30 | 1 (0.5;2) |
Ulcer and hyperkeratosis | 13 | 24 | 0.4 (0.2;1.0) |
Jejunum | |||
Normal content | 48 | 57 | NA ** |
Abnormal content | 52 | 40 | |
No content | 0 | 3 | |
No thickening | 97 | 89 | – |
Thickened intestinal wall | 2 | 4 | 0.6 (0.1;4.0) |
Abnormal mucosa | 0 | 0 | – |
Ileum | |||
Normal content | 35 | 42 | – |
Abnormal content | 10 | 5 | 2.5 (0.7;10.2) |
No content | 55 | 54 | 1.2 (0.7;2.3) |
No thickening | 90 | 93 | – |
Thickened intestinal wall | 10 | 7 | 1.5 (0.5;4.6) |
Normal mucosa | 98 | 96 | 0.6 (0.1;4.3) |
Abnormal mucosa | 2 | 4 | |
Colon | |||
Normal content | 13 | 51 | – |
Abnormal content | 85 | 49 | 6.5 (3.2;14.3)* |
Thickened intestinal wall | 0 | 0 | – |
Normal mucosa | 96 | 98 | – |
Abnormal mucosa | 3 | 2 | 1.4 (0.2;12.4) |