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Table 3 Calculation for weights by CRG core health status from model 2012

From: Pharmaceutical cost management in an ambulatory setting using a risk adjustment tool

Core health status Ln (C + 1) (a) Expenditure C (b) Standard weight (c)
1. Healthy 1.736 8.607 1
2. History of significant acute disease 3.552 58.068 6.75
3. Single minor chronic disease 4.176 109.242 12.69
4. Minor chronic disease in multiple organ systems 5.427 384.212 44.64
5. Single dominant or moderate chronic disease 5.535 427.851 49.71
6. Chronic disease in 2 or more Organ Systems 6.728 1413.267 164.21
7. Dominant Chronic Disease in 3 or more Organ Systems 7.496 3048.575 354.21
8. Dominant and Metastasic Malignances 6.606 1250.432 145.29
9. Catastrophic conditions 6.229 858.032 99.69
  1. (a) = Ln (C + 1).
  2. (b) = (1.693 ea)-1.
  3. (c) = bi/b1.