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Figure 1 | Respiratory Research

Figure 1

From: Allergic diseases and asthma in the family predict the persistence and onset-age of asthma: a prospective cohort study

Figure 1

Incidence rate of persistent asthma per 10 000 person-years according to parental asthma and allergic diseases. The figure displays the age-specific incidence rates per 10 000 person-years for the age periods of 0 to 6 years, 7 to 12 years, and 13 to 17 years. The numbers displayed are the point estimates of the incidence rates for each hereditary category (maternal asthma: square, maternal allergic diseases: circle, paternal asthma: triangle, paternal allergic diseases: downwards triangle, no parental asthma: diamond, no parental allergic diseases: left-pointing triangle). The vertical lines indicate the 95% confidence intervals calculated by the method of Daly [19].

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