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Table 2 Clinical characteristics of periodontitis patients and healthy controls

From: Prevalence and distribution of Aggregatibacter actinomycetemcomitans and its cdtB gene in subgingival plaque of Chinese periodontitis patients

Ā 

H

CP

AgP

Subjects

10

10

10

Sampling sites

71

79

105

Age(years-old, meanā€‰Ā±ā€‰SD)

27.5ā€‰Ā±ā€‰2.1

32.5ā€‰Ā±ā€‰1.8

29.7ā€‰Ā±ā€‰2.1

Gender(male/female)

5/5

5/5

5/5

PD(mm, meanā€‰Ā±ā€‰SD)

2.4ā€‰Ā±ā€‰0.8

4.1ā€‰Ā±ā€‰2.0 *

4.9ā€‰Ā±ā€‰1.9 *

CAL(mm, meanā€‰Ā±ā€‰SD)

0

4.8ā€‰Ā±ā€‰2.0 *

4.5ā€‰Ā±ā€‰1.9 *

BOP(%, meanā€‰Ā±ā€‰SD)

15.8ā€‰Ā±ā€‰0.9

30.8ā€‰Ā±ā€‰5.5 *

30.6ā€‰Ā±ā€‰7.2 *

  1. AgP, CP and H stand for aggressive periodontitis, chronic periodontitis and periodontal healthy, respectively.
  2. The mean probing depth, clinical attachment loss and bleeding on probing (%) were recorded in 255 sampling sites from 30 patients. * There were significant differences for mean probing depth, clinical attachment loss and bleeding on probing (%) between AgP or CP and H (Pā€‰<ā€‰0.05), but there was no significant difference between AgP and CP.