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Table 1 Characteristics of the study population stratified according to periodontal condition

From: Characterization of oral polymorphonuclear neutrophils in periodontitis patients: a case-control study

 

Control (n = 16)

Periodontitis (n = 19)

p-value

Age

44.1 ± 11.6

47.9 ± 12.4

0.354

Sex (male)

8 (50%)

11(55%)

0.765

Ethnicity (Caucasian)

12 (75%)

7 (37%)

0.024

Smoking (current smoker)

4 (25%)

11 (58%)

0.050

Body mass index

23.5 ± 2.2

27.9 ± 5.0

0.006

# of teeth

27.7 ± 3.0

26.6 ± 3.3

0.303

# of teeth with > 50% bone loss

0

9.8 ± 6.0

–

Counts (× 106)

 cPMNsa

19.3 ± 11.2

17.6 ± 9.0

0.873

 oPMNsb

1.8 ± 3.2

8.1 ± 11.5

0.007

  1. Results for demographic, dental characteristics and counts of oPMNs and cPMNs. Values represent means ± standard deviations, or numbers (%) of subjects. P-values calculated by χ2-test or Student’s T-test; (n/a = not applicable). P-values < 0.05 were considered statistically significant and are shown in bold
  2. aTotal cPMNs obtained from a 6 ml tube of blood, after the isolation and purification steps
  3. bTotal oPMNs collected after 4 × 30 s rinsing with 4½ minutes intermission, after the isolation and purification steps
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BMC Oral Health

ISSN: 1472-6831

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