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Table 3 Prevalence (%) of bacteria at baseline, after 3 and 6 months and significance of differences

From: Adjunctive use of essential oils following scaling and root planing –a randomized clinical trial

Species

Cat.

Baseline

3 months

6 months

Sig. Δt0-t3 inter

Sig. Δt0-t6 inter

Sig. Δt0-t3 intra

Sig. Δt0-t6 intra

  

test

control

test

control

test

control

    
  

N = 23

N = 23

N = 23

N = 23

N = 23

N = 23

    

A. act.

0-1

82.6

91.3

87

91.3

82.6

91.3

p = 0.156

p = 0.221

pt = 0.625

pt = 0.375

2

4.3

0

0

4.3

0

4.3

    

3

4

13.0

0

0

8.7

4.3

8.7

0

4.3

8.7

8.7

0

4.3

  

pc = xxx

pc = xxx

P. ging.

0-1

60.8

43.5

73.9

60.9

52.1

39.1

p = 0.693

p = 0.849

pt = 0.289

pt = 0.687

2

4.3

0

4.3

13.0

0

0

    

3

4

0

34.8

8.7

47.8

8.7

13.0

4.3

21.7

17.4

30.4

17.4

43.5

  

pc = 0.109

pc = 1.000

T. dent.

0-1

13

0

30.4

13

4.3

0

p  =  0.044

p  =  0.224

pt = 0.057

pt = 0.549

2

4.3

4.3

8.7

17.4

8.7

0

    

3

4

0

82.6

17.4

78.3

21.7

39.1

39.1

30.4

26.1

60.9

21.7

78.3

  

pc = 0.004

pc = 1.000

T. fors.

0-1

8.7

4.3

26

13

13

4.3

p  =  0.632

p  =  0.039

pt = 0.012

pt = 0.754

2

4.3

0

13

4.3

0

0

    

3

4

8.7

78.3

0

95.7

13

47.8

21.7

60.9

26.1

60.9

4.3

91.3

  

pc = 0.008

pc = xxx

F. nucl.

0-1

4.3

0

0

4.3

4.3

0

p  =  0.029

p  =  0.179

pt = 0.344

pt = 1.000

2

8.7

0

13.0

4.3

4.3

0

    

3

4

8.7

78.3

4.3

95.7

26.1

60.9

0

91.3

17.4

73.9

8.7

91.3

  

pc = 1.000

pc = xxx

P. micra

0-1

34.7

4.3

52.2

39.1

26.1

13

p  =  0.127

p  =  0.155

pt = 0.035

pt = 1.000

2

4.3

13.0

8.7

8.7

21.7

13

    

3

4

30.4

30.4

47.8

34.8

34.8

4.3

52.2

0

39.1

13.0

65.2

8.7

  

pc < 0.001

pc = 0.210

C. rectus

0-1

21.7

30.4

56.5

56.5

39.1

39.1

0.507

0.142

pt = 0.002

pt = 0.115

2

8.7

4.3

21.7

4.3

30.4

13.0

    

3

4

56.5

13.0

47.8

17.4

21.7

0

39.1

0

26.1

4.3

43.5

4.3

  

pc = 0.012

pc = 0.227

P. interm.

0-1

65.2

39.1

78.2

56.5

65.2

34.7

p  =  0.537

p  =  0.605

pt = 0.508

pt = 1.000

2

4.3

0

4.3

21.7

4.3

0

    

3

4

8.7

21.7

8.7

52.2

4.3

13.0

4.3

17.4

21.7

8.7

39.1

26.1

  

pc = 0.039

pc = 0.344

E. corrod.

0-1

52.2

56.5

73.9

78.2

34.7

65.2

p  =  0.189

p  =  0.364

pt = 1.000

pt = 0.302

2

13.0

13.0

4.3

8.7

21.7

4.3

    

3

4

21.7

13.0

21.7

8.7

13.0

8.7

13.0

0.0

34.8

8.7

21.7

8.7

  

pc = 0.146

pc = 0.549

A. viscosus

0-1

21.7

4.3

17.3

21.7

8.7

4.3

p  =  0.411

p  =  0.067

pt = 0.118

pt = 0.424

2

17.4

8.7

8.7

8.7

13.0

30.4

    

3

4

47.8

13.0

56.5

30.4

39.1

34.8

52.2

17.4

56.5

21.7

43.5

21.7

  

pc = 0.210

pc = 0.267

  1. Categories 0 and 1 are summarized and denoted as “0-1”
  2. The depicted significance-values are devided in inter-group (test vs. control) and intra-group (the same group at two different times) comparison
  3. The intragroup significances are devided into those of the test group (pt) and control group (pc)