HBA1c and Diagnosis of Type 2 Diabetes

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT01184768

Enrollment

3509

Registered

2010-08-19

Start date

2008-01-31

Completion date

2010-11-30

Last updated

2011-07-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Type 2 Diabetes

Keywords

type 2 diabetes, HbA1c, vitamin D, diagnosis

Brief summary

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.

Interventions

None listed

Study design

Observational model

COHORT

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

20 Years to 80 Years

Healthy volunteers

Yes

Inclusion criteria

* participated in the 6 Tromso study

Exclusion criteria

* type 2 diabetes

Design outcomes

Primary

Measure	Time frame
Number of subjects with new diagnosis of type 2 diabetes	Up to 2 years after participation in the 6th Tromso study

Secondary

Measure	Time frame
Number of subjects with new diagnosis of impaired glucose tolerance	Up to 2 years after participation in the 6th Tromso study
Number of subjects with new diagnosis of impaired fasting glucose	Up to 2 years after participation in the 6th Tromso study
Effect of vitamin D status on glucose tolerance	Up to 2 years after participation in the 6th Tromso study

Countries

Norway

Outcome results