ABSTRACT
Introduction: The National Healthcare Group (NHG) launched an enterprise-wide diabetes registry in 2007. We describe the epidemiology of type 2 diabetes mellitus from 2005 to 2008.
Materials and Methods: Patients with encounters in NHG from 2005 were identified for inclusion into the Diabetes Registry from existing stand-alone diabetes registries, ICD9CM diagnosis codes, anti-hyperglycaemic medication and laboratory confirmation. Variables extracted for analysis were demographics (age, gender, ethnicity), diabetes-related comorbidities and com plications, most recent anti-hyperglycaemic agents dispensed, and the most recent glycated haemoglobin (HbA1C) measurement. Results: The diabetes registry grew 32% from 129,183 patients in 2005 to 170,513 patients in 2008, making up 12% to 15% of all patients in NHG. About half of the type 2 diabetes patients were aged 45 to 64 years. Females were generally older with a median age of 63 to 64 years vs 59 to 61 years in males. The Indian ethnic group accounted a disproportionately higher 13% of patients. Over 95% of type 2 patients had at least one diabetes-related comorbid condition, and diabetes-related complications were principally renal and cardiovascular complications. The majority (86.2% to 89.2%) of primary care patients were on oral anti-hyperglycaemic agents; however, the rate of insulin treatment increased from 10.8% to 13.8%. HbA1C levels in 2008 improved over that in 2005, with the percentage of patients with good glycaemic control improving with age. Conclusion: The registry has enabled a baseline assessment of the burden and the care of type 2 diabetes patients in NHG, which will provide critical “evidence” for planning future programmes.Diabetes mellitus is one of the most challenging global health problems in the 21st century. It is associated with excess mortality and significant morbidity from complications, which lead to disability, poor quality of life and an enormous health cost.
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