Table 3 Final multivariable linear model for the association of clinical signs and broncho-alveolar lavage fluid characteristics with macrophage percentage in broncho-alveolar lavage fluid of 332 group-housed calves
Variable | Category | Regression coefficient β (SE) | P-value | LSM estimate (SE) |
|---|---|---|---|---|
Intercept |  | 57.7 (5.4) | <  0.001 |  |
P. multocida culture | Negative | Referent | Â | 49.2 (2.1) |
Positive | - 4.5 (2.2) | 0.04 | 44.7 (2.5) | |
Posture | Sternal recumbency | Referent | Â | 52.1 (3.7) |
Standing | - 10.2 (3.8) | 0.007 | 41.8 (1.3) | |
Volume lavage fluid recovered (/mL) | Â | - 0.6 (0.27) | 0.02 | - |