Over 100,000 Medicare Patients May Suffer from Glomerulonephritis

The condition appears to be associated with high hospitalization and death rates.
The condition appears to be associated with high hospitalization and death rates.

PHILADELPHIA—Researchers calculated that glomerulonephritis (GN) likely afflicts more than 100,000 Medicare patients, and the condition appears to be associated with high hospitalization and death rates, according to findings presented at the 2014 Kidney Week meeting.

James B. Wetmore, MD, and colleagues with the Chronic Disease Research Group in Minneapolis, Minn., used the 20% Medicare sample from 2007 to 2011 to identify GN cases. They calculated GN prevalence per 100,000 patients by dividing the number of GN cases by the total number of individuals in the database during the study period. The study population included a total of 8,276,664 individuals with a mean age of 68 years.

From 2007 to 2011, the GN prevalence was 433 primary GN cases per 100,000 individuals, representing 35,870 total cases. In addition, the study showed that there were 878 cases of GN resulting from systemic diseases per 100,000 individuals, which translated into 72,666 total cases.

Moreover, Dr. Wetmore's team found that the incidence rates of primary GN and GN resulting from systemic diseases were 86.7 and 136.1 cases per 100,000 patient-years, respectively. Total hospitalization rates were 2,083 and 2,093 hospitalizations per 1,000 patient-years, respectively, and death rates were 136 and 195 deaths per 1,000 patient-years, respectively.


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