Following the 6th Tromso study subjects with HbA1c \> 5.7 plus a subsample of subjects with lower hba1c values will be invited to an oral glucose tolerance test to see the predictive value of HBA1c in the diagnosis of type 2 diabetes.
Study Type
OBSERVATIONAL
Enrollment
3,509
University Hospital of North Norway
Tromsø, Tromsø, Norway
Number of subjects with new diagnosis of type 2 diabetes
Time frame: Up to 2 years after participation in the 6th Tromso study
Number of subjects with new diagnosis of impaired glucose tolerance
Time frame: Up to 2 years after participation in the 6th Tromso study
Number of subjects with new diagnosis of impaired fasting glucose
Time frame: Up to 2 years after participation in the 6th Tromso study
Effect of vitamin D status on glucose tolerance
Time frame: Up to 2 years after participation in the 6th Tromso study
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