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Table 4 Total medical per member per month costs with specified conditions grouped by utilization of dental servicesa. Total medical per member per month costs with specified conditions grouped by utilization of dental servicesa,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   $342.48 ($4.71) $481.64 ($4.97) $579.82 ($4.98)
Gingivitis Codes   $361.95 ($4.58) $418.34 ($4.62) $475.62 ($4.53)
Dental Maintenance Services (DMS) b   $347.89 ($4.56) $416.64 ($4.58) $418.38 ($4.48)
Other Dental Services b   $439.02 ($4.45) $489.89 ($4.51) $405.24 ($4.39)
No Dental Services b   $387.93 ($4.44) $469.19 ($4.59) $485.35 ($4.54)
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 0.596 0.216 0.379
  Gingivitis Codes vs. Other Dental Services 0.033 0.048 0.157
  Gingivitis Codes vs. No Dental Services < .001 0.486 0.716
P-values for Periodontitis Codes vs. Gingivitis Codes Periodontitis Codes vs. Gingivitis Codes < .001 < .001 < .001
  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. cThe log-transformed values are shown in parenthesis. The differences between group means were tested for statistical significance using the log transformed values of the individual total paid amounts