Cytokine levels in different groups and subgroups.

Cytokine concentrations (in pg/ml serum) for healthy dogs (n = 16), B. canis- infected dogs on the day 1 (n = 31) and 7 (n = 30) and subset of uncomplicated (n = 13) and complicated groups (n = 18). 1 dog with complications died during the study. p-values for significant differences are shown for each comparison.