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Table 1 Demographic characteristics and clinical parameters of study groups

From: Lipoxin A4 levels predict site-specific clinical improvements post scaling and root planing and correlate negatively with periodontal pathogens in severe periodontitis

 

Healthy

Severe periodontitis

(n = 25)

(n = 21)

Gender(male/female)

8/17

9/12

 Age (years)*

22.00 ± 2.40

37.48 ± 9.85a

 Teeth number*

30.08 ± 1.50

30.43 ± 1.69

 PS (%)*

27.69 ± 7.01

65.67 ± 13.15a

 BOP (%)*

8.64 ± 0.82

75.92 ± 13.42a

PD in the whole mouth(mm)*

1.90 ± 0.72

4.69 ± 0.92a

PD in sampling sites(mm)*

2.11 ± 0.65

7.69 ± 1.37a

CAL in the whole mouth (mm)*

1.90 ± 0.72

4.99 ± 1.00a

CAL in sampling sites(mm)*

2.11 ± 0.65

7.78 ± 1.40a

Percentage of teeth with pockets ≥ 5 mm*

-

88.20 ± 13.74

Percentage of sites with pockets ≥ 5 mm*

-

50.28 ± 17.98

Percentage of teeth with ≥ 33% bone loss*

-

42.44 ± 26.86

Percentage of teeth with ≥ 50% bone loss*

-

29.44 ± 27.13

Periodontitis Stage#

 III

 IV

-

-

17 (81.0)

4 (19.0)

Periodontitis Grade#

 C

-

21(100.0)

  1. Abbreviations: BOP, bleeding on probing; PD, probing depth; CAL, clinical attachment level
  2. *Values are given as means ± standard deviation
  3. #Values are given as n (%) of participants
  4. a, p < 0.05, compared with healthy controls