TABLE 5.

Actual number of new caries after 21 months: actual and predicted caries incidences in cohort 2.

Caries risk	Total number of participants in cohort 2 (n)	Actual number of new caries incidence in cohort 2 (n)	Actual caries incidence in cohort 2 (%)	Predicted caries incidence in cohort 2 (%)	Caries increment mean (SD)
Very low	48	13	27.08	5.41	1.25 ± 2.12
Low	49	17	34.69	16.79	1.67 ± 2.63
Moderate	73	35	47.95	33.56	2.39 ± 2.93
High	102	61	59.80	66.20	3.43 ± 3.72
Very high	48	41	85.42	91.07	4.33 ± 2.90