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. 2017 Aug;6(3):191-198.
doi: 10.5582/irdr.2017.01043.

Nationwide trends of hospitalizations for cystic fibrosis in the United States from 2003 to 2013

Abhinav Agrawal  1 , Abhishek Agarwal  2 , Dhruv Mehta  3 , Rutuja R Sikachi  1   4 , Doantrang Du  5 , Janice Wang  1   6
Affiliations

Nationwide trends of hospitalizations for cystic fibrosis in the United States from 2003 to 2013

Abhinav Agrawal et al. Intractable Rare Dis Res. 2017 Aug.

Abstract

Cystic fibrosis (CF) is a multisystem autosomal recessive genetic disorder with significant advances in early diagnosis and treatment in the last decade. It is important to provide updated information regarding these changing demographics as they also reflect a considerable improvement in survival. We analyzed the National Inpatient Sample Database (NIS) in the United States for all patients in which CF was the primary discharge diagnosis (ICD-9: 277.0-277.09) from 2003 to 2013 to evaluate the rate of hospitalizations and determine the cost and mortality associated with CF along with other epidemiological findings. The statistical significance of the difference in the number of hospital discharges, lengths of stays and associated hospital costs over the study period was calculated. In 2003, there were 8,328 hospital discharges with the principal discharge diagnosis of CF in the United States, which increased to 12,590 discharges in 2013 (p < 0.001). The mean hospital charges increased by 57.64% from US$ 60,051 in 2003 to US$ 94,664 in 2013. The aggregate cost of hospital visits increased by 138.31% from US$ 500,105,727 to US$ 1,191,819,760. In the same time, the mortality decreased by 49.3 %. The number of inpatient discharges related to CF has increased from 2003 to 2013. This is due to increased life expectancy of CF patients, resulting in increased disease prevalence. There has been a significant increase in the mean and aggregate cost associated with CF admissions. Over the last decade, many advances have been made in the diagnosis and treatment of CF, consequentially leading to a significant transformation in the epidemiology and demographics of this chronic disease. Rising hospital costs associated with the care of CF patients necessitates future studies analyzing the diagnostic modalities, algorithms and treatment practices of physician's treating CF patients.

Keywords: Cystic Fibrosis; epidemiology; healthcare burden; hospitalizations; length of stay; mortality.

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Figures

Figure 1.
Figure 1.
Trends of inpatient CF discharges. CF, cystic fibrosis.
Figure 2.
Figure 2.
Trends of mean length of stay of CF patients. CF, cystic fibrosis.
Figure 3.
Figure 3.
Trends in inpatient mortality of CF patients. CF, cystic fibrosis.
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