Fig. 1From: Impact of changing from staining to culture techniques on detection rates of Campylobacter spp. in routine stool samples in ChileDetection rates of Campylobacter in routine stool samples. Graph showing percentage of Campylobacter positive samples within January to April of the respective year. Blue columns represent rates based on Campylobacter direct staining, orange column on Campylobacter culture. Black bars indicate the 95 % confidence intervals. P values by Z test for comparing two independent proportionsBack to article page