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Table 5 Prevalence of at least 1 of 17 Charlson comorbidities in one year before and after ICD-10 implementation, by hospital characteristics

From: Implementation of ICD-10 in Canada: how has it impacted coded hospital discharge data?

Hospital Characteristic ICD-9 ICD-10 Difference
Teaching Status    
Teaching 36.6 32.1 4.5
Non-Teaching 34.9 29.2 5.7
Location    
Urban 35.5 29.9 4.6
Rural 34.8 30.1 3.7
Patient Volume    
High (>75%) 35.4 37.5 −2.1
Medium (50-75%) 33.9 27.4 6.5
Low (25-50%) 36.5 27.3 9.2
Very Low (<25%) 37.7 29.6 8.1
  1. Notes: ICD International classification of disease