Proportion of dogs with active infections over all infected dogs.

aAt the Fisher's exact test or Chi-square test where appropriate.bIncluding 3 dogs dead from CanL between M12 and M18.cIncluding all dogs (5) dead from CanL through M22.a. 适当时采用费希尔精确检验（Fisher's exact test）或卡方检验（Chi-square test）。b. 包含3只在第12月龄至第18月龄（M12至M18）期间因犬利什曼病（CanL）死亡的犬只。c. 包含截至第22月龄（M22）所有因犬利什曼病（CanL）死亡的犬只，共计5只。