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. 2021 Jun 1;55(2):85–94.

Table 2.

Gingivitis clinical results (GBI-BS, MGI) per visit

Treatment

n

Adjusted mean GBI-BS (SE)

% change

versus control

2-sidedpvaluea

Adjusted mean MGI Score (SE)

% change versus control

2-sidedpvaluea

Month 6

 

 

 

 

Control

50

60.11 (2.564)

 

 

1.80 (0.021)

 

 

Regimen

40

40.36 (1.887)

32.9

<0.0001

1.54 (0.025)

14.1

<0.0001

Month 12

 

 

 

 

Control

49

58.37 (2.689)

 

 

1.55 (0.024)

 

 

Regimen

39

42.18 (2.127)

27.7

<0.0001

1.37 (0.025)

11.8

<0.0001

Month 18

 

 

 

 

Control

48

60.63 (2.593)

 

 

1.57 (0.022)

 

 

Regimen

39

37.48 (2.144)

38.2

<0.0001

1.31 (0.020)

16.9

<0.0001

Month 24

 

 

 

 

Control

48

60.01 (2.144)

 

 

1.65 (0.019)

 

 

Regimen

39

36.63 (2.064)

39.0

<0.0001

1.35 (0.018)

18.4

<0.0001

aANCOVA with respective screening value as the covariate