Skip to main content

Table 2 Distribution of the Charlson score one year before and after ICD-10 implementation

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

Charlson score ICD-9 ICD-10 Difference
0 67.94 68.53 −0.59
1 15.41 14.90 0.51
2 8.98 9.00 −0.02
3 3.47 3.38 0.09
4 1.39 1.40 −0.01
5 1.89 1.96 −0.07
6+ 0.92 0.83 0.11
Average Charlson score 0.64 0.63 0.01