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Table 3 Prevalence of A.actinomycetemcomitans and cdt in all sampling sites

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

Ā 

AgP

CP

H

Total

105

79

71

Aa(+)

92

73

5

Aa(+)/Total(%)

87.6

92.4

7.0

cdt(+)

72

54

0

cdt(+)/Aa(+)(%)

78.3

74.0

0

Quantity-Aa

2.3ā€‰Ā±ā€‰1.1*

2.1ā€‰Ā±ā€‰0.9*

0.8ā€‰Ā±ā€‰0.5

Quantity-cdt

1.6ā€‰Ā±ā€‰0.8**

1.3ā€‰Ā±ā€‰0.8***

0.4ā€‰Ā±ā€‰0.3

  1. Aa, AgP, CP and H stand for A.actinomycetemcomitans, aggressive periodontitis samples, chronic periodontitis samples and periodontal healthy samples, respectively.
  2. *There were significant differences for quantity of A.actinomycetemcomitans between AgP or CP and H (Pā€‰<ā€‰0.05) and no significant differences between AgP and CP (Pā€‰>ā€‰0.05). **Quantity of cdt genotype of A.actinomycetemcomitans from AgP samples were significantly higher than that of CP and H (Pā€‰<ā€‰0.05). ***Quantity of cdt genotype of A.actinomycetemcomitans from CP samples were significantly higher than H (Pā€‰<ā€‰0.05).