A, the correlation of TNF-α and NO level in dogs with visceral leishmaniasis. Pearson’s rank correlation coefficient was r = 0.812, P<0.001; B, the correlation of TNF-α and MPO level in dogs with visceral leishmaniasis. Pearson’s rank correlation coefficient was r = 0.674, P<0.01; C, the correlation of TNF-α and ADA level in dogs with visceral leishmaniasis. Pearson’s rank correlation coefficient was r = 0.432, P<0.05.d); D, the correlation of TNF-α and IL-1β level in dogs with visceral leishmaniasis. Pearson’s rank correlation coefficient was r = 0.801, P<0.001.