Beta-Cell Age Calculator, a Translational Yardstick to Communicate Diabetes Risk with Patients: Tehran Lipid and Glucose Study

Table 3

Implementing point-score system to estimate 6-year risk of incident diabetes.

Risk factor	Category	Points		Point total	Six-year risk of diabetes	Beta-cell age (years)
Age (years)	20–29	0		<6	<0.05	<34
	30–39	1		10	0.10	41
	40–49	1		13	0.16	41
	50–59	2		15	0.21	44
	60+	2		16	0.24	46
				17	0.28	50
WHtR (%)	<50	−2		18	0.32	49
	50–59	1		19	0.37	55
	60–69	4		20	0.42	54
	70 or greater	6		21	0.48	55
				22	0.54	62
Family history of diabetes	no	0		23	0.60	60
	yes	3		24	0.66	61
				25	0.72	64
TG/HDL-C	<1.5	−3		26	0.78	67
	1.5 or higher	6		≥27	≥0.80	≥71
Fasting plasma glucose (mmol·L^−1)	<5.0	−5
	5–5.5	4
	5.6–6.0	9
	6.1–6.9	14

TG/HDL-C: triglyceride-to-high-density lipoprotein cholesterol ratio; WHtR: waist-to-height ratio.