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Table 3 Distribution of the Charlson score one year before and after ICD-10 implementation, by province

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

Province Charlson score ICD-9 ICD-10 Difference
NL 0 71.01 69.09 1.92
  1-2 23.75 24.88 −1.13
  3+ 5.24 6.03 −0.79
PEI 0 71.05 70.77 0.28
  1-2 24.31 24.13 0.18
  3+ 4.64 5.10 −0.76
NS 0 64.93 67.06 −2.13
  1-2 26.84 25.72 1.12
  3+ 8.23 7.22 1.01
NB 0 66.10 69.18 −3.08
  1-2 26.18 24.36 1.82
  3+ 7.72 6.46 1.26
ON 0 66.42 67.46 −1.04
  1-2 25.14 24.38 0.76
  3+ 8.44 8.16 0.28
MB 0 68.65 68.81 −0.16
  1-2 24.13 23.90 0.23
  3+ 7.22 7.29 −0.07
SK 0 71.45 70.24 1.12
  1-2 23.32 23.64 −0.32
  3+ 5.23 6.12 −0.89
AB 0 68.31 68.88 −0.57
  1-2 23.53 22.89 0.64
  3+ 8.16 8.23 −0.07
BC 0 71.00 70.53 0.47
  1-2 22.49 22.79 −0.30
  3+ 6.51 6.68 −0.17
Canada 0 67.95 68.49 −0.54
  1-2 24.39 23.91 0.48
  3+ 7.67 7.60 0.07