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Table 6 Counts, proportions and frequencies of detection of target species by country, in stages I–II periodontitis

From: The subgingival cultivable bacteria of Albanian subjects with different periodontal status compared to a similar population of Spanish subjects: a case control study

 

Periodontitis stages I–II

Country

Countsa

Proportionsa

Frequencyb

n

Meanc (SD)

Median (IQR)

p value

n

Mean (SD)

Median (IQR)

p value

n (%)

p value

Aggregatibacter actinomycemcomitans

Spain

30

0

0

1.000

30

0

0

1.000

0 (0.0)

1.000

 

Albania

28

0

0

 

28

0

0

 

0 (0.0)

 

Porphyromonas gingivalis

Spain

30

5.17 (1.31)

5.22 (1.02)

0.431

30

15.96 (19.24)

7.53 (18.83)

0.171

29 (96.7)

0.097

 

Albania

28

4.42 (2.28)

5.03 (2.03)

 

28

12.75 (17.34)

2.02 (21.52)

 

23 (82.1)

 

Prevotella intermedia

Spain

30

4.03 (1.61)

4.32 (1.70)

0.532

30

1.98 (3.70)

0.83 (1.49)

0.190

27 (90.0)

0.071

 

Albania

28

3.30 (2.30)

4.00 (5.36)

 

28

1.91 (4.40)

0.26 (1.52)

 

20 (71.4)

 

Tannerella forsythia

Spain

30

1.58 (2.28)

0.00 (4.38)

0.748

30

0.31 (0.54)

0.00 (0.67)

0.826

10 (33.3)

0.849

 

Albania

28

1.73 (2.38)

0.00 (4.78)

 

28

0.32 (0.46)

0.00 (0.68)

 

10 (35.7)

 

Parvimonas micra

Spain

30

0.17 (0.93)

0.00 (0.00)

0.334

30

0.48 (2.64)

0.00 (0.00)

0.334

1 (3.3)

1.000

 

Albania

28

0

0

 

28

0

0

 

0 (0.0)

 

Fusobacterium nucleatum

Spain

30

4.16 (1.96)

4.84 (1.16)

0.233

30

2.93 (3.35)

2.16 (3.61)

0.034

25 (83.3)

0.425

 

Albania

28

4.17 (1.35)

4.65 (1.43)

 

28

1.17 (1.46)

0.53 (1.57)

 

26 (92.9)

 

Campylobacter rectus

Spain

30

0.50 (1.55)

0.00 (0.00)

0.632

30

0.94 (4.54)

0.00 (0.00)

0.655

3 (10.0)

1.000

 

Albania

28

0.27 (1.01)

0.00 (0.00)

 

28

0.00 (0.03)

0.00 (0.00)

 

2 (7.1)

 

Eikenella corrodens

Spain

30

0.99 (1.85)

0.00 (0.83)

0.429

30

0.20 (0.55)

0.00 (0.00)

0.508

7 (23.3)

0.453

 

Albania

28

1.41 (2.12)

0.00 (3.83)

 

28

0.21 (0.51)

0.00 (0.29)

 

9 (32.1)

 

Capnocytophaga spp.

Spain

30

0.75 (1.74)

0.00 (0.00)

0.090

30

0.12 (0.36)

0.00 (0.00)

0.102

5 (16.7)

0.196

 

Albania

28

0.12 (0.65)

0.00 (0.00)

 

28

0.02 (0.10)

0.00 (0.00)

 

1 (3.6)

 

Actinomyces odontolyticus

Spain

30

0.12 (0.67)

0.00 (0.00)

0.334

30

0.00 (0.00)

0.00 (0.00)

0.334

1 (3.3)

1.000

 

Albania

28

0

0

 

28

0

0

 

0 (0.0)

 
  1. n, sample size; SD, standard deviation; IQR, interquartile range; n (%), number and percentage of positive samples
  2. aMann–Whitney test
  3. bChi-square test
  4. cMean of log-transformed counts