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Table 5 Episode Risk Group™ (ERG) scores for members with specified conditions grouped bu utilization of dental services a,c

From: An examination of periodontal treatment and per member per month (PMPM) medical costs in an insured population

   Diabetes Coronary Artery Disease Cerebrovascular Disease
Periodontitis Codes   3.39 4.68 6.23
Gingivitis Codes   4.23 5.41 6.96
Dental Maintenance Services (DMS) b   4.18 5.51 7.06
Other Dental Services b   5.41 6.67 8.29
No Dental Services b   4.79 6.49 8.26
P-values for Periodontitis Codes Periodontitis Codes vs. DMS < .001 < .001 < .001
  Periodontitis Codes vs. Other Dental Services < .001 < .001 < .001
  Periodontitis Codes vs. No Dental Services < .001 < .001 < .001
P-values for Gingivitis Codes Gingivitis Codes vs. DMS 0.580 0.170 0.560
  Gingivitis Codes vs. Other Dental Services < .001 < .001 < .001
  Gingivitis Codes vs. No Dental Services < .001 < .001 < .001
P-values for Periodontitis Codes vs. Gingivitis Codes Periodontitis Codes vs. Gingivitis Codes < .001 < .001 0.002
  1. aData are cumulative for two-year period (2001 and 2002)
  2. bEnrollees in the dental maintenance services, other dental services, or no dental services received no periodontal services in 2001 and 2002.
  3. cRetrospective risk score