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Table 4 Comparative ratios (CR) between bridge coding and multiplicative factors (MF) estimated by the jump detection method for ICD-9 to ICD-10 coding change

From: Cause-specific mortality time series analysis: a general method to detect and correct for abrupt data production changes

  France England and Wales Sweden Spain
Underlying cause of death CR MF CR MF CR MF CR MF
Cerebrovascular disease 0.97 1.00 1.13 1.13 1.03 1.00 - 1.00
Conditions originating in the perinatal period 1.03 1.00 - 2.24 1.02 1.00 - 1.00
Congenital heart disease - 1.00 - 1.00 - 1.00 - 1.00
Heart failure - 1.00 - 1.00 - 1.00 - 1.00
Hodgkin's disease - 1.00 1.06 1.00 1.13 1.00 - 1.00
Hypertension - 1.00 - 1.00 - 1.00 - 1.00
Ischemic heart disease 1.03 1.00 1.01 1.00 1.00 1.00 1.00 1.00
Malignant colorectal neoplasm 0.97 0.94 1.01 1.00 0.99 1.00 1.00 1.00
Malignant neoplasm of cervix uteri 0.92 1.00 1.00 1.00 1.00 1.00 - 1.00
Malignant neoplasm of testes - 1.00 0.99 1.00 - 1.00 - 1.00
Peptic ulcer - 0.63 1.00 1.00 - 1.00 - 1.00
Renal failure - 1.00 1.08 1.00 - 1.23 - 1.00
Rheumatic heart disease - 1.54 - 0.77 - 1.00 - 1.00
  1. CR: Comparative ratios obtained from bridge coding, calculated as the ratio of numbers of death calculated by cause category before and after the ICD change
  2. MF: Multiplicative factor of the mortality rate between the period before and after the ICD change, equal 1.00 when no jump was detected
  3. -: CR not available