Table 3 Results of two-way repeated-measures ANOVA comparing the main effects of genotype and salivary antioxidant levels on clinical parameters

Independent variable

MnSOD T47C genotype effect

0.48

0.48

0.29

0.59

5.71

0.02

Salivary ΔMnSOD effect

4.39

0.03

3.36

0.07

3.46

0.06

MnSOD T47C × ΔMnSOD effect

0.00

0.94

1.03

0.31

8.61

<0.01

MnSOD T47C genotype effect

1.86

0.17

0.07

0.79

3.20

0.08

Salivary Δcatalase effect

0.51

0.47

1.96

0.16

0.01

0.93

MnSOD T47C × Δcatalase effect

1.39

0.24

2.16

0.14

0.49

0.48

Catalase C-262T genotype effect

4.04

0.04

0.34

0.56

1.43

0.23

Salivary ΔMnSOD effect

0.57

0.45

2.12

0.14

0.58

0.44

Catalase C-262T × ΔMnSOD effect

1.02

0.31

2.66

0.11

0.88

0.35

Catalase C-262T genotype effect

6.67

0.01

1.56

0.21

0.32

0.57

Salivary Δcatalase effect

0.57

0.45

0.60

0.44

1.55

0.21

Catalase C-262T ×Δcatalase effect

1.25

0.26

1.92

0.16

2.09

0.15