Table 2. Multiple Comparisons of mean differences (mean diff) of PPD [Probing Pocket Depth] (in mm) and CAL [Clinical Attachment Levels] (in mm) with anxiety levels in Smokers, Non Smokers and Healthy subjects .

Periodontal Parameters	Anxiety Levels
	Mild			Moderate			Severe
	S | Vs NS ¶	S | Vs H #	NS ¶ Vs H #	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)	Mean diff (P-value)	Mean diff (P-value)	Mean diff (P-value)
PPD	0.04 (1.00)†	3.27 (<0.001)*	3.31 (<0.001)*	0.58 (<0.001)*	3.99 (<0.001)*	3.41 (<0.001)*	0.68 (0.011)†	3.90 (<0.001)*	3.22 (<0.001)*
	(1.00)†	(<0.001)*	(<0.001)*	(<0.001)*	(<0.001)*	(<0.001)*	(0.011)†	(<0.001)*	(<0.001)*
CAL	0.11 (0.878)†	5.00 (<0.001)*	4.88 (<0.001)*	0.57 (0.011)§	5.70 (<0.001)*	5.13 (<0.001)*	0.70 (0.002)§	5.95 (<0.001)*	5.25 (<0.001)*
	(0.878)†	(<0.001)*	(<0.001)*	(0.011)§	(<0.001)*	(<0.001)*	(0.002)§	(<0.001)*	(<0.001)*

^*highly significant

^†non significant

^§P < 0.05, significant

^|S = Smokers

^¶NS = Non Smokers

^#H = Healthy