From: Periodontal disease and spontaneous preterm birth: a case control study
Preterm Cases n = 50 | Undelivered Controls n = 51 | Postpartum term Controls n = 50 | p value | |
---|---|---|---|---|
Probing depth (mm) | 2.11 +/- .33 | 2.17 +/- .26 | 2.14 +/- .21 | .68† |
Attachment loss (mm) | .86 +/-.32 | .89 +/-.26 | .87 +/- .18 | .93† |
Attachment loss ≥ 3 mm (mean %) | 3.2 +/- .06 | 2.5 +/- .04 | 1.9 +/- .02 | .33§ |
Extent Severity Score (3,5) * | 9 (18%) | 10 (20%) | 4 (8%) | .22§ |
Debris Score | 3.6 +/- 2.6 | 3.0 +/- 2.1 | 2.9 +/- 1.7 | .42† |
Calculus Score | 4.5 +/- 3.6 | 5.1 +/- 3.7 | 3.9 +/- 2.8 | .19† |
Bleeding Index (% sites with bleeding) | 24 +/- 15 | 24 +/- 15 | 20 +/- 11 | .41† |