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Table 6 Risk-adjusted PMPM for members with specified conditions grouped by utilization of dental servicesa, c. Total medical per member per month costs with specified conditions grouped by utilization of dental servicesa,c,d

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

 

$158.67 ($3.95)

$161.63 ($3.89)

$146.28 ($3.62)

Gingivitis Codes

 

$ 134.57 ($3.60)

$121.57 ($3.41)

$107.36 ($3.07)

Dental Maintenance Services (DMS) b

 

$130.96 ($3.60)

$118.75 ($3.36)

$93.13 ($3.01)

Other Dental Services b

 

$127.47 ($3.23)

$115.52 ($3.10)

$76.80 ($2.78)

No Dental Services b

 

$ 127.26 ($3.35)

$113.71 ($3.22)

$92.40 ($2.94)

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

0.954

0.057

0.250

 

Gingivitis Codes vs. Other Dental Services

< .001

< .001

< .001

 

Gingivitis Codes vs. No Dental Services

< .001

< .001

0.017

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 untransformed PMPMs for individuals are risk-adjusted using the average ERG score, and these are log-transformed for the t-test. The log transformations immediately precede the t-tests.
  4. dThe 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