Table 8.

Comparison of two tribal population for - Mean number of sextants affected by periodontal disease condition according to CPI index

Variables		Tribes		H-value	P-value	Pair wise comparison
		Koya	Lambada			Koya vs Lambada
Healthy	Mean	0.57	0.49	150.17	0.00001*			0.35
	SD	0.98	0.89
Bleeding	Mean	0.51	0.42	54.89	0.00001*			0.29
	SD	0.81	0.68
Calculus	Mean	4.11	4.37	43.69	0.00001*			0.015
	SD	1.46	1.29
Pocket (4–5 mm)	Mean	0.51	0.58	73.85	0.00001*			0.090
	SD	0.82	0.83
Pocket (6 mm or more)	Mean	0.01	0.01	2.84	0.2420			0.96
	SD	0.09	0.08
Excluded sextants	Mean	0.01	0.01	2.43	0.2130			0.87
	SD	0.08	0.08
Total	Mean	1.74	1.82	134.69	0.00001*			0.01*
	SD	0.48	0.44

*p < 0.05 by Kruskal Wallis ANOVA and Mann-Whiney U test