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Table 2 Final multivariable linear model for the association of clinical signs and broncho-alveolar lavage fluid characteristics with neutrophil percentage in broncho-alveolar lavage fluid of 335 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   20.4 (0.14) <  0.001  
P. multocida culture Negative Referent   22.7 (0.11)
Positive 0.32 (0.10) 0.005 30.3 (0.13)
Tracheal cough reflex Negative Referent   22.7 (0.10)
Positive 0.32 (0.15) 0.04 30.3 (0.16)
Posture Sternal recumbency Referent   21.4 (0.19)
Standing 0.47 (0.19) 0.03 32.1 (0.08)
Breathing frequency (breaths/min)   0.01 (0.0) 0.02 -
  1. Random herd effect was significant (P < 0.001)