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Table 1 Compositions of sex, age and periodontal clinical parameters of three groups

From: Occurrence and quantification of Anelloviruses and Herpesviruses in gingival tissue in Chinese Shanghai sub-population

 

aggressive periodontitis

chronic periodontitis

healthy

P

Sex

   

0.336*

 male [n (%)]

31 (54.4)

29 (49.2)

17 (39.5)

 

 female [n (%)]

26 (45.6)

30 (50.8)

26 (60.5)

 

Age (mean ± SD)

29.74 ± 5.357

48.53 ± 8.52

28.81 ± 5.337

< 0.001**

PD (mean ± SD)

6.83 ± 1.78

6.17 ± 1.89

1.09 ± 0.78

< 0.001**

CAL (mean ± SD)

4.03 ± 0.73

3.98 ± 0.85

0.58 ± 0.51

< 0.001**

GI (mean ± SD)

1.92 ± 0.35

2.41 ± 0.28

0.34 ± 0.21

< 0.001**

PLI (mean ± SD)

1.58 ± 0.43

2.76 ± 0.31

1.05 ± 0.75

< 0.001**

  1. *Chi-squared test
  2. **Kruskal-Wallis test
  3. #Abbreviations:n number of participants, SD standard deviation, PD the probing depth, CAL clinical attachment loss, GI gingival index, PLI plaque index