Using Hemoglobin A1C as a Predicting Model for Time Interval from Pre-Diabetes Progressing to DiabetesReport as inadecuate




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Objective

The early identification of subjects at high risk for diabetes is essential, thus, random rather than fasting plasma glucose is more useful. We aim to evaluate the time interval between pre-diabetes to diabetes with anti-diabetic drugs by using HbA1C as a diagnostic tool, and predicting it using a mathematic model.

Methods

We used the Taipei Medical University Affiliated Hospital Patient Profile Database AHPPD from January-2007 to June-2011. The patients who progressed and were prescribed anti-diabetic drugs were selected from AHPPD. The mathematical model used to predict the time interval of HbA1C value ranged from 5.7% to 6.5% for diabetes progression.

Results

We predicted an average overall time interval for all participants in between 5.7% to 6.5% during a total of 907 days standard error, 103 days. For each group found among 5.7% to 6.5% we determined 1169.3 days for the low risk group i.e. 3.2 years, 1080.5 days i.e. 2.96 years for the increased risk group and 729.4 days i.e. 1.99 years for the diabetes group. This indicates the patients will take an average of 2.49 years to reach 6.5%.

Conclusion

This prediction model is very useful to help prioritize the diagnosis at an early stage for targeting individuals with risk of diabetes. Using patients- HbA1C before anti-diabetes drugs are used we predicted the time interval from pre-diabetes progression to diabetes is 2.49 years without any influence of age and gender. Additional studies are needed to support this model for a long term prediction.



Author: Chen-Ling Huang , Usman Iqbal, Phung-Anh Nguyen, Zih-Fang Chen, Daniel L. Clinciu, Yi-Hsin Elsa Hsu , Chung-Huei Hsu , Wen-Shan J

Source: http://plos.srce.hr/



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