Diabetes Care 30:1281-1282, 2007 DOI: 10.2337/dc06-2070 © 2007 by the American Diabetes Association
Burden of Hospitalizations Primarily Due to Uncontrolled DiabetesImplications of inadequate primary health care in the United StatesDepartment of Epidemiology and Biostatistics, Stempel School of Public Health, Florida International University, Miami, Florida Address correspondence and reprint requests to Sunny Kim, School of Public Health, HLS 575, Florida International University, 11200 SW 8th St., Miami, FL 33199. E-mail: skim@fiu.edu
Abbreviations: AHRQ, Agency for Healthcare Research and Quality HCUP, Healthcare Cost and Utilization Project NIS, National Inpatient Survey PQI, prevention quality indicator
This study describes the burden of potentially preventable hospitalizations primarily due to uncontrolled diabetes. Uncontrolled diabetes, if not managed properly, often leads to biochemical imbalances that can cause acute life-threatening events and hospitalizations. Since diabetes management relies heavily on ambulatory care, hospitalizations with uncontrolled diabetes largely reflect the quality of the primary health care provided outside the hospital setting. Therefore, the Agency for Healthcare Research and Quality (AHRQ) selected uncontrolled diabetes as a prevention quality indicator (PQI) where timely and appropriate ambulatory care would have prevented a hospitalization (1). To improve primary health care, it is essential to track an outcome of current status of prevention quality indicators. However, the extent of potentially preventable hospitalizations associated with uncontrolled diabetes and its economic burden in the U.S. remains under-investigated.
A primary diagnosis indicative of uncontrolled diabetes was analyzed using two nationally representative samples of inpatients records. First, to estimate the number of potentially preventable hospitalizations, the National Hospital Discharge Survey (NHDS) was analyzed. The NHDS-2004, the latest annual survey available (2), acquired a probabilistic sample of 370,785 inpatient records from a national sample of 500 hospitals. Overall, the hospital response rate was 92% in 2004 (3). Details concerning sampling procedures are published elsewhere (4). Briefly, the NHDS, conducted
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