Table 4 Comparison of TNF- α and hs-CRP among four groups (\( \overline{x} \) ±s)

Combined group (n=18)

Before therapy

6.09±1.34

5.87±1.63

After 3 months of therapy

1.98±0.32

1.87±0.28

Root planing group (n=18)

Before therapy

5.98±1.23

5.81±1.69

After 3 months of therapy

2.63±0.21

2.86±0.65

Periodontal curettage group (n=18)

Before therapy

5.99±1.42

5.79±1.76

After 3 months of therapy

2.73±0.42

2.71±0.59

Cleansing group (n=18)

Before therapy

5.96±1.56

5.89±1.81

After 3 months of therapy

2.93±0.17

2.84±0.65

t

0.031

0.014

P

0.993

0.998

t’

34.579

12.582

P′

<0.001

<0.001

t^*

12.657

10.261

t^*

<0.001

<0.001

P^*

11.39

6.912

t^#

<0.001

<0.001

P^#

9.34

7.04

t^*#

<0.001

<0.001

P^*#

8.192

6.728

t^*#*

<0.001

<0.001