Figure 1From: Risk-based early prevention in comparison with routine prevention of dental caries: a 7-year follow-up of a controlled clinical trial; clinical and economic aspectsTotal running costs (mean and standard deviation) from 5 to 12 years of age. Risk categories were formed on the basis of information on MS and incipient caries at the age of 2. The figure within the column refers to the number of subjects within the category. Analysis of variance: Interaction term Group*Risk category, p = 0.009 Group difference: Low-risk category, p < 0.001; Intermediate category, p < 0.001; High-risk category, p = 0.02Back to article page