Fig. 3From: A meta-analysis of the prevalence of African animal trypanosomiasis in Nigeria from 1960 to 2017The prevalence of AAT in Nigeria over six decades. Tukey multiple pairwise comparison test of the analysis of variance shows no significant difference (F(5, 68) = 1.616, P = 0.1676, r2 = 10.6%) in the prevalence reports across decades. Proportions of each study conducted (74 studies) and total number of animal screened is shown in the graphBack to article page