Li et al reported a model to screen for undiagnosed Type 2 diabetes in adult Finns and Germans. This is based on the screening score of Lindstrom and Tuomilehto. The authors are from Technical University Dresden in Germany.
Patient selection: Finnish adult
Parameters:
(1) age in years
(2) body mass index (BMI) in kg per square meter
(3) history of high blood glucose
Parameter
Finding
Beta-Coefficient (Categorical Model)
Points
age in years
< 45 years
0
0
45 to 54 years
0.74
2
55 to 64 years
1.35
3
> 64 years
1.82
4
BMI
< 25
0
0
25 to 30
1.29
3
> 30
1.57
4
history of high glucose
no
0
0
yes
2.07
5
value of X =
= SUM(beta coefficients) - 5.44
probability of diabetes =
= 1 / (1 + EXP((-1) * X))
Performance:
• The area under the ROC curve is 0.86
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