Fig. 3From: Development of a primary care screening algorithm for the early detection of patients at risk of primary antibody deficiencyMedian number of visits to the general practitioner in the year before the censoring date. Both physical and electronic visits are included. COPD chronic obstructive pulmonary disease, GP general practitioner, IBD inflammatory bowel disease, immunodef. immunodeficiency patients from primary care, no. number, RTI respiratory tract infectionBack to article page