TABLE 1 

Characteristics of study subjects

Status and subjectAge
(yr)
EthnicitySexDiagnosisSmokingComorbidity, other
information
Significant periodontal disease
    D173CaucasianMaleChronic severe generalized
periodontitis
YesNone
    D266CaucasianMaleChronic severe generalized
periodontitis
YesHypertension
    D362CaucasianFemaleChronic moderate generalized
periodontitis
NoHypothyroidism, vegetarian
    D469CaucasianFemaleChronic severe generalized
periodontitis
NoNone
    D548CaucasianFemaleChronic moderate generalized
periodontitis
YesNone
    D673CaucasianMaleChronic severe generalized
periodontitis
YesNone
    D727AsianMaleGeneralized aggressive mild
periodontitis
NoAmoxicillin in prior 3 mo
Healthy or with mild
periodontal disease
    H125AsianMaleHealthyNoNone
    H225CaucasianMaleHealthyNoNone
    H351HispanicFemaleModerate gingivitisaNoDiabetes
    H434African AmericanMaleHealthyNoNone
    H532AsianFemaleHealthyNoDiabetes
    H624AsianFemaleHealthyNoNone
    H727CaucasianMaleHealthyNoNone
    H844CaucasianFemaleChronic mild generalized
periodontitisb
NoNone
    H950HispanicFemaleChronic mild generalized
periodontitisb
YesNone
  • a Has signs of gingival inflammation but no periodontal attachment loss or bone loss. Gingivitis affects about half of U.S. adults.

  • b Has signs of gingival inflammation and, at most, 2-mm attachment loss. Nine percent of U.S. adults have this condition.