Fig. 3From: Herpes zoster incidence in Germany - an indirect validation study for self-reported disease data from pretest studies of the population-based German National CohortComparison of incidence rates of HZ from GNC pretest studies with German health insurance data. GNC: German National Cohort; PY: Person-years; Depending on the study, 5- or 10-year age-groups were used. The whiskers indicate 95%-CIBack to article page