. 2013 Oct 5;7(10):2330–2333. doi: 10.7860/JCDR/2013/5793.3517

[Table/Fig-3]:

Comparison between the PPD and CAL at Baseline (mean – SD) and 120^th day separately for Experimental and Control groups Level of significance p value ≤ 0.05

Group	No. of sites	0^th day (baseline)		120^th day (post–treatment)		Paired t–test value	p- value
Group	No. of sites	Mean	SD	Mean	SD	Paired t–test value	p- value
PPD
Experimental	33	3.36	0.603	1.79	0.485	14.745	0.001
Control	31	3.45	0.961	2.61	0.844	5.996	0.001
CAL
Experimental	33	4.52	1.064	3.39	1.088	6.707	0.001
Control	31	4.52	0.851	3.84	1.003	5.044	0.001