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J Diabetes. 2012 Jun;4(2):159-63. doi: 10.1111/j.1753-0407.2011.00169.x.

Progression rate of newly diagnosed impaired fasting glycemia to type 2 diabetes mellitus: a study using the National Healthcare Group Diabetes Registry in Singapore.

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Health Services and Outcomes Research, National Healthcare Group, Singapore.



The aims of the present study were to estimate the rate of progression from newly diagnosed impaired fasting glycemia (IFG) to type 2 diabetes mellitus (T2DM) in Singapore and to identify factors associated with the progression to T2DM in individuals with newly diagnosed IFG.


The present study was a retrospective cohort study of newly diagnosed IFG from the National Healthcare Group Diabetes Registry between 1 January 2006 and 31 December 2007 to estimated the rate of progression to T2DM. Univariate survival analysis, followed by multivariate survival analysis, was performed and interactions were tested in the final model.


Over a mean follow-up period of 1.65 ± 0.13 years, 85 of 490 participants with newly diagnosed IFG developed T2DM, giving an annual progression rate of 6.8%. The factors associated with the development of T2DM were higher fasting plasma glucose level in the year of IFG diagnosis (hazard ratio [HR] = 14.6; 95% confidence interval [CI] 5.66-37.5), Chinese race (HR = 2.70; 95% CI 1.44-5.06), and body mass index (HR = 1.11; 95% CI, 1.06-1.15).


The progression rate to T2DM is high in subjects with newly diagnosed IFG. Intensive lifestyle modification can be incorporated into their current yearly follow-up to prevent progression to T2DM, which is a growing problem in Singapore.

[Indexed for MEDLINE]

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