Table 2.

Mean (standard deviation) caries scores according to age

Variables	n	dt	dmft	ds	dmfs	DT	DMFT	DS	DMFS
Age in years
6–11	160	3.1 (2.1)	3.9 (2.7)	5.1 (3.1)	5.7 (4.1)	0.7 (0.3)	0.9 (0.4)	1.1 (0.8)	1.7 (1.1)
12–16	240	0.02 (0.01)	0.02 (0.01)	0.05 (0.03)	0.07 (0.02)	3.2 (1.9)	3.9 (2.1)	4.2 (2.7)	5.6 (2.8)
p-value*		0.02	0.03	0.001	0.001	0.03	0.04	0.001	0.001

Values in parenthesis shows standard deviation. *t-test.