[Table/Fig-2]:

Caries prevalence in primary teeth and permanent teeth according to age and gender.

Age and Gender n=13200	Sample		Primary tooth				Permanent tooth
	n	%	n	%	Chi-square	p-value	n	%	Chi-square	p-value
6-7 years Boys Girls Total	2503	47.1	1853	74.1	15.3(2)	<0.0001*	478	19.0	0.72(2)	0.39
	2821	52.9	2217	78.5			513	18.1
	5324	100	4060	76.3			991	18.6
8-9 years Boys Girls Total	1749	48.9	1451	82.9	0.35(2)	0.55	824	47.1	0.32(2)	0.56
	1835	51.1	1536	83.7			882	48.0
	3584	100	2987	83.3			1706	47.6
10-11 years Boys Girls Total	2260	52.7	1789	79.1	10.51(2)	0.001*	1542	68.2	1.16(2)	0.28
	2032	47.3	1524	75.0			1355	66.6
	4292	100	3313	77.1			2897	67.4

*Statistical significance p<0.05using Chi-square test