![]() ![]() ![]() It is most commonly thought of as a childhood disease, not ranking high on the list of differential diagnoses for adolescents or adults presenting with respiratory symptoms. It is endemic in the United States (US) and every 3 – 5 years an outbreak occurs. Costly hospital care occurs, however, in patients with pertussis at all ages.īordetella pertussis is a highly contagious respiratory illness that can have serious clinical consequences. Infants are responsible for the bulk of hospitalizations and generate higher inpatient costs. Children (n = 191) had a mean LOS of 3.7 and cost of $4,729 adolescents/adults (n = 61, mean age 40 years) stayed on average 3.4 days with a cost of $5,683 per hospitalization. For the 2,266 infants, the mean LOS was 6 days at a cost of $9,586 per stay. Of survivors, 99% were discharged home (6% with home health care) 1% required further sub-acute inpatient care. The inpatient case fatality rate was <1%. Of the 2,518 cases identified, 90% were infants. Cost estimates include accommodations, ancillary and physician services, reported in 2002 US$. Databases were used to determine demographics, health service utilization and care costs. Separate analyses were done for infants (<1 year) and children (1–11 years) however, adolescent and adult cases were combined into one group (12+ years), due to the small number of cases. Data from 1996–1999 were examined by age group. ICD-9 codes (033.0, 033.9) were used to identify cases of pertussis in hospital discharge databases from roughly 1,000 US hospitals in 4 states (California, Florida, Maryland, Massachusetts). This analysis examined demographics, case fatality rate, resource use and costs of hospital care related to pertussis by age. It has been reported that from 1997–2000, 20% of all pertussis cases required hospitalization in the US. Pertussis, a highly contagious respiratory illness, affects people of all ages and can have serious clinical consequences. ![]()
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