Table 2.

Progression rates to impaired glucose regulation and diabetes directly from baseline to 5-year follow-up in the combined low- and high-risk group

Glucose tolerance status at baseline	n *	Glucose tolerance status at 5-year follow-up	Outcomes (n)	Person-years	Rate per 100 person-years (95% CI)
NGT	3,187	i-IFG	83	16,918	0.5 (0.4–0.6)
		i-IGT	192	16,621	1.2 (1.0–1.3)
		IFG-IGT	28	17,063	0.2 (0.1–0.2)
		i-IFG, i-IGT, or IFG-IGT	303	16,328	1.9 (1.7–2.1)
		Diabetes	44	17,019	0.3 (0.2–0.3)
		i-IFG, i-IGT, IFG-IGT, or diabetes	347	16,210	2.1 (1.9–2.4)
i-IFG	359	IFG-IGT	23	1,864	1.2 (0.8–1.9)
		Diabetes	45	1,804	2.5 (1.9–3.3)
		IFG-IGT or diabetes	68	1,743	3.9 (3.1–4.9)
i-IGT	354	IFG-IGT	13	1,866	0.7 (0.4–1.2)
		Diabetes	66	1,722	3.8 (3.0–4.9)
		IFG-IGT or diabetes	79	1,688	4.7 (3.8–5.8)
IFG-IGT	131	Diabetes	52	560	9.3 (7.1–12.2)
i-IFG, i-IGT, or IFG-IGT	844	Diabetes	163	4,087	4.0 (3.4–4.7)
NGT, i-IFG, i-IGT, or IFG-IGT	4,031	Diabetes	207	21,106	1.0 (0.9–1.1)

*Number of individuals at baseline.