Hospital admission risks and excess costs for neurological symptoms attributable to long-term exposure to fine particulate matter in New York State, USA

Jieun Min, Whanhee Lee, Michelle L. Bell, Yijun Kim, Seulkee Heo, Ga Eun Kim, Jee Hyun Kim, Ji Young Yun, Soo In Kim, Joel Schwartz, Eunhee Ha

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Although emerging evidence suggests that PM2.5 is linked to neurological symptoms (NSs) via neuroinflammation, relevant studies are scarce. This study aimed to investigate the risks and excess costs of hospital admission for five NSs—fatigue, headache, dizziness, convulsion, and paralysis—attributable to long-term exposure to PM2.5 in New York State, USA. Methods: We analyzed the New York Statewide Planning and Research Cooperative System (SPARCS) from 2010 to 2016. A Bayesian hierarchical model with integrated nested Laplace approximations was performed to estimate the risks and excess costs of hospital admission for NSs due to long-term exposure to PM2.5 at the county level. Results: A 1 μg/m3 increase in lag 0–1 years PM2.5 was associated with an increased risk of headache and convulsion by 1.06 (1.01, 1.11) and 1.04 (1.01, 1.06), respectively. The excess hospital admission cost for five NSs attributable to lag 0–1 years PM2.5 above the new World Health Organization guideline (annual standard: 5 μg/m3) was $200.24 (95% CI: 6.00, 376.96) million during 2011–2016, recording the highest for convulsion ($153.73 [95% CI: 63.61, 244.19] million). Conclusions: This study provides quantitative estimates of risks and excess costs for NSs attributable to long-term PM2.5 and suggests that policies that reduce long-term PM2.5 concentration in accordance with the new WHO air quality guidelines can yield substantial health and economic benefits related to NSs in the New York State population.

Original languageEnglish
Article number115954
JournalEnvironmental Research
Volume229
DOIs
StatePublished - 15 Jul 2023

Bibliographical note

Publisher Copyright:
© 2023

Keywords

  • Excess cost
  • Fine particulate matter
  • Hospital admission
  • Neurological symptom
  • New WHO air quality guidelines
  • New York state

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