Table 3. Incidence of diabetes of 6-years follow-up in 2288 subjects.

	Number of patients in different risk categories in 2001	Number of patients in different risk categories in 2007	Incidence of diabetes
			Number of diabetes	per one thousand persons per year (95% CI)
Non Risk	1546	1165	14	1.5 (0.6–2.1)
Low Risk	313	457	9	4.8 (2.1–8.5)
Medium Risk	246	358	8	5.4 (1.7–8.8)
High Risk	183	246	31	28.2 (19.1–37.3)
Total	2288	2226	62	4.5 (3.3–5.7)