Table 3.

Prevalence of caries in primary and permanent teeth from main and stratified meta analysis in 1999–2012

	Random effect model, mean (95% CI)
Primary teeth
Overall dmft	4.341 (3.714, 4.969)
Study year
1999–2005	4.37 (3.1, 5.64)
2006–2012	4.31 (3.55, 5.08)
Sample size
<512	4.16 (3.32, 5.0)
More than 512	4.69 (3.52, 5.88)
Age group
2–7	4.49 (3.72, 5.26)
7–14	4.15 (2.96, 5.34)
Permanent teeth
Overall DMFT	2.469 (2.019, 2.919)
Study year
1999–2005	2.62 (2.039, 3.205)
2006–2012	2.347 (1.65, 3.039)
Sample size
<912	2.54 (2.049, 3.04)
More than 912	2.28 (1.28, 3.287)
Age group
6–12	2.82 (2.16, 3.48)
12–18	1.77 (1.36, 2.18)

dmft, decayed, missing and filled primary teeth; DMFT, decayed, missing and filled permanent teeth.