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Fig. 1 | BMC Public Health

Fig. 1

From: Transitions between versions of the International Classification of Diseases and chronic disease prevalence estimates from administrative health data: a population-based study

Fig. 1

Chronic health conditions with significant changes in regression model parameter estimates within transition periods. Legend: Data sources are physician billing claims and hospital records; A transition period was defined as \(\pm 2\) years around the transition year of 1979 for the transition from ICDA-8 to ICD-9-CM and around the transition year of 2005 for the transition from ICD-9-CM to ICD-10-CA; Horizontal dashed line represents the upper control limit of 19.8; Vertical solid lines represent transition years (1979 and 2005); Vertical dashed lines represent the beginning and end of the transition periods (1977—1981 and 2003—2007)

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