These researchers sought to better understand underlying causes of ethnic disparities relating to diabetes, by using data from the 2003 National Inpatient Sample to analyse the correlation between the primary diagnosis on patient admission and the likelihood that the condition represented poorly controlled diabetes or a diabetes-related complication. They found that minorities were more likely to be admitted through the emergency department and for a condition directly related to diabetes progression. Minorities were also more likely to be admitted for acute hyperglycaemia and acute hypoglycaemia.