Diabetes is estimated to be responsible for 3.96 million adult deaths per year at global level. By 2025, the number of people with diabetes in India is estimated to rise to 70 million. In spite of well-defined treatment for type 2 diabetes, in majority of the people, disease is poorly controlled. Hence controlling the disease is a major issue to prevent complications, increase the life expectancy and improve the quality of life. To find out the factors associated with poor control of diabetes, a systematic review and meta-analysis was carried out.

The data source was Published and unpublished studies from 1980 to October 2010. Two of the authors applied selection criteria to get the relevant studies. Glycated hemoglobin level was the measure for outcome. Meta-analysis was performed by pooling the results of selected studies. Mantel – Haenszel Odds Ratios, standardized mean differences…