Research Article

The Relation between Periodontopathogenic Bacterial Levels and Resistin in the Saliva of Obese Type 2 Diabetic Patients

Table 3

Real-time PCR quantification of Fusobacterium spp., P. gingivalis, T. forsythia, T. denticola, and A. actinomycetemcomitans in the saliva of obese patients (diabetics and nondiabetics) compared to the nonobese nondiabetic control.

Bacterial speciesN range (mean ± SD) for each group value
Nonobese ()Obese diabetics ()Obese nondiabetics ()

Fusobacterium spp.3 × 10−5–6.9 × 10−212 × 10−5–100.7 × 10−260 × 10−5–80.7 × 10−20.003
(1.1 ± 1.6 × 10−2)(11.5 ± 22.5 × 10−2)(10.1 ± 20.5 × 10−2)
Positive cases per group262626Total: 78 (100%)

P. gingivalis0.45 × 10−5–0.7 × 10−21.87 × 10−5–13.49 × 10−20.06 × 10−5–46 × 10−2<0.001
(0.08 ± 0.16 × 10−2)(1.6 ± 3.4 × 10−2)(5.2 ± 11.6 × 10−2)
Positive cases per group262624Total: 76 (97.4%)

T. forsythia0.5 × 10−5–0.14 × 10−23.7 × 10−5–2.3 × 10−217.1 × 10−5–14.46 × 10−2<0.001
(0.04 ± 0.04 × 10−2)(0.73 ± 0.74 × 10−2)(1.9 ± 3.2 × 10−2)
Positive cases per group242626Total: 76 (97.4%)

T. denticola0.2 × 10−5–0.34 × 10−30.1 × 10−5–4.6 × 10−30.2 × 10−5–8.2 × 10−30.068
(8.9 ± 9.9 × 10−5)(37.99 ± 92.8 × 10−5)(58.9 ± 168.2 × 10−5)
Positive cases per group202524Total: 69 (88.5%)

A. actinomycetemcomitans0.3 × 10−4–2.1 × 10−40.2 × 10−4–4.9 × 10−36.8 × 10−4–24.5 × 10−30.097
(0.5 ± 0.8 × 10−4)(0.9 ± 1.7 × 10−4)(5.7 ± 8.9 × 10−4)
Positive cases per group789Total: 24 (30.8%)

N = fold difference in the number of the target organism-specific gene copies relative to the number of 16S rRNA gene copies. Significant difference ().