Ranking

Bacteria species

Fisher’s exact test

Hierarchy

(p-value)

1

Fretibacterium fastidiosum

0.0001

Hierarchy I (p < 0.01)

2

Corynebacterium durum

0.0002

3

Slackia exigua

0.0004

4

Tannerella forsythia

0.003

Hierarchy II (p < 0.05)

5

Eubacterium nodatum

0.005

6

Porphyromonas endodontalis

0.015

7

Filifactor alocis

0.015

8

Eubacterium yurii

0.024

9

Eubacterium infirmum

0.024

10

Campylobactor rectus

0.037

11

Treponema denticola

0.054

Hierarchy III (p > 0.05)

12

Porphyromonas asaccharolyticus

0.112

13

Eubacterium saphenum

0.112

14

Porphyromonas gingivalis

0.158

15

Prevotella nigrescens

0.181

16

Porphyromonas uenonis

0.273

17

Prevotella melaninogenica

0.472

18

Prevotella intermedia

0.472

19

Solobacterium moorei

0.472

20

Corynebacterium matruchotii

0.472