Fig. 1From: Interrupted time series design to evaluate the effect of the ICD-9-CM to ICD-10-CM coding transition on injury hospitalization trendsa Percentage of External-Cause-of-Injury (ECOI) completeness in injury hospitalization data, Kentucky resident inpatient hospitalizations, January 2012 – December 2017 (72 monthly observations). b Percentage of ECOI completeness in injury hospitalization data, Kentucky resident inpatient hospitalizations, January 2012– December 2017, (October 2015 observation removed; 71 monthly observations)Back to article page