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Table 1: Prevalence of dental caries according to age
| Children free of caries | Children with caries | dmft | DMFT | ||||||||||||||||
| Age group | No. of children examined | N | % | N | % | Mean | SD | Mean | SD | ||||||||||
| 5-7 | 312 | 109 | 34.9 | 203 | 65.1 | 2.68 | 2.48 | 0.75 | 1.02 | ||||||||||
| 8-10 | 353 | 153 | 43.3 | 200 | 56.7 | 2.01 | 2.07 | 1.05 | 1.28 | ||||||||||
| 11-13 | 335 | 183 | 54.6 | 152 | 45.4 | 0.69 | 1.07 | 1.26 | 1.50 | ||||||||||
SD: Standard deviation; Caries prevalence: Chi-square test = 25.657, p = 0.000; dmft: ANOVA, F = 86.970, p = 0.000; DMFT: ANOVA, F = 12.954, p = 0.000
