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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

From: Factors associated with lung cytology as obtained by non-endoscopic broncho-alveolar lavage in 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   49.2 (2.1)
Positive - 4.5 (2.2) 0.04 44.7 (2.5)
Posture Sternal recumbency Referent   52.1 (3.7)
Standing - 10.2 (3.8) 0.007 41.8 (1.3)
Volume lavage fluid
recovered (/mL)
  - 0.6 (0.27) 0.02 -
  1. Random herd effect was significant (P < 0.001)
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