Figure 3From: Pharmacy sales data versus ward stock accounting for the surveillance of broad-spectrum antibiotic use in hospitals Accumulated data for antibiotic use at all wards: one-month and four months registration intervals of all BSAs 1 and oral BSAs (Bland-Altman plots 2 with limits of agreement in gray shade). 1 Broad-spectrum antibiotics. 2 See reference 13.Back to article page