Table 6. Multiple comparisons of obesity with mean differences of PPD (probing pocket depth) (in mm) and CAL (clinical attachment levels) (in mm) in smokers and non-smokers and healthy subjects .

Periodontal Parameters

Obese

Non-obese

S | vs NS ¶

S | vs H #

NS ¶ vs H #

S | vs NS ¶

S | vs H #

NS ¶ vs H #

Mean diff

P-value

Mean diff

P-value

Mean diff

P-value

Mean diff

P-value

Mean diff

P-value

Mean diff

P-value

PPD

0.86

<0.001*

>4.09

<0.001*

3.23

<0.001*

0.67

<0.001*

3.80

<0.001*

3.12

<0.001*

CAL

0.91

<0.001*

6.13

<0.001*

5.21

<0.001*

0.75

<0.001*

5.46

<0.001*

4.70

<0.001*

^*highly significant

^|S = Smokers

^¶NS = Non-smokers

^#H = Healthy