Cysticercosis-Related Hospitalizations in the United States, 1998–2011

Kaitlin A. O'Keefe Department of Health Sciences, California State University, Northridge, California; Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California; Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia

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Mark L. Eberhard Department of Health Sciences, California State University, Northridge, California; Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California; Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia

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Shira C. Shafir Department of Health Sciences, California State University, Northridge, California; Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California; Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia

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Patricia Wilkins Department of Health Sciences, California State University, Northridge, California; Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California; Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia

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Lawrence R. Ash Department of Health Sciences, California State University, Northridge, California; Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California; Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia

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Frank J. Sorvillo Department of Health Sciences, California State University, Northridge, California; Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California; Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia

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Cysticercosis has become increasingly recognized as an important infection in the United States in recent decades. Despite its potential impact, there is a lack of comprehensive information on the nationwide burden of disease. To better define the burden of cysticercosis in the United States, we analyzed in-patient records using the Nationwide Inpatient Sample for 1998–2011 to estimate cysticercosis-related hospitalizations and patient/institutional characteristics. There were an estimated 33,060 (95% confidence interval [95% CI] = 29,610.5–36,510.3) cysticercosis-related hospitalizations nationwide, representing a hospitalization rate of 8.03 per million population. The highest proportion of cases were male (54.8%), Hispanic (62.0%), aged 18–44 (58.8%), and occurred in the West (45.1%). An estimated 459 deaths occurred, representing an in-hospital case-fatality rate of 1.4%. These findings indicate the burden of cysticercosis-related hospitalizations in the United States is considerable and may be greater than currently appreciated. Cysticercosis should be a nationally reportable disease.

Author Notes

* Address correspondence to Kaitlin A. O'Keefe, Department of Health Sciences, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330. E-mail: kaitlin.okeefe@csun.edu

Authors' addresses: Kaitlin A. O'Keefe, Department of Health Sciences, California State University, Northridge, CA, E-mail: kaitlin.okeefe@csun.edu. Mark L. Eberhard and Patricia Wilkins, Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, NE, Atlanta, GA, E-mails: mle1@cdc.gov and pma1@cdc.gov. Shira C. Shafir, Lawrence R. Ash, and Frank J. Sorvillo, Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, E-mails: sshafir@ucla.edu, larryash@ucla.edu, and fsorvill@ucla.edu.

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