摘要

Questions about the seasonality of stroke remain controversial. Using a nationwide population-based dataset, this study presents a time series analysis of seasonal patterns in ischemic stroke occurrence, along with their association with climate in Taiwan. Using data from the Taiwan National Health Insurance Research Database, a total of 168,977 visits to emergency departments between 1998 and 2003 for ischemic stroke were identified for patients ranging between 20 and 84 yrs of age. Monthly stroke incidences were calculated for 72 months, by sex and stroke subtype, and for the age groups 20-54, 55-64, 65-74, and ≥75 yrs per 100,000 of the population. We performed auto-regressive integrated moving average (ARIMA) analysis to investigate the presence of seasonality and any association with climate for acute ischemic stroke events. We found no significant seasonal variation in the incidence of ischemic stroke for any age or sex groups. Furthermore, after adjusting for seasonality, month, and trend, the ARIMA regression model revealed only associations between ischemic stroke incidence and atmospheric pressure. We conclude that seasonality of ischemic stroke does not exist in Taiwan. Ischemic stroke incidence is, however, significantly related to atmospheric pressure.
原文英語
頁(從 - 到)938-949
頁數12
期刊Chronobiology International
25
發行號6
DOIs
出版狀態已發佈 - 十一月 2008

指紋

Climate
Stroke
Incidence
Population
Taiwan
Atmospheric Pressure
National Health Programs
Hospital Emergency Service
Age Groups
Databases

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

引用此文

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title = "Seasonal variation in ischemic stroke incidence and association with climate: A six-year population-based study",
abstract = "Questions about the seasonality of stroke remain controversial. Using a nationwide population-based dataset, this study presents a time series analysis of seasonal patterns in ischemic stroke occurrence, along with their association with climate in Taiwan. Using data from the Taiwan National Health Insurance Research Database, a total of 168,977 visits to emergency departments between 1998 and 2003 for ischemic stroke were identified for patients ranging between 20 and 84 yrs of age. Monthly stroke incidences were calculated for 72 months, by sex and stroke subtype, and for the age groups 20-54, 55-64, 65-74, and ≥75 yrs per 100,000 of the population. We performed auto-regressive integrated moving average (ARIMA) analysis to investigate the presence of seasonality and any association with climate for acute ischemic stroke events. We found no significant seasonal variation in the incidence of ischemic stroke for any age or sex groups. Furthermore, after adjusting for seasonality, month, and trend, the ARIMA regression model revealed only associations between ischemic stroke incidence and atmospheric pressure. We conclude that seasonality of ischemic stroke does not exist in Taiwan. Ischemic stroke incidence is, however, significantly related to atmospheric pressure.",
keywords = "Climate, Ischemic stroke, Seasonality, Taiwan",
author = "Lee, {Hsin Chien} and Hu, {Chaur Jong} and Chen, {Chin Shyan} and Lin, {Herng Ching}",
year = "2008",
month = "11",
doi = "10.1080/07420520802551469",
language = "English",
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pages = "938--949",
journal = "Annual Review of Chronopharmacology",
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AU - Lee, Hsin Chien

AU - Hu, Chaur Jong

AU - Chen, Chin Shyan

AU - Lin, Herng Ching

PY - 2008/11

Y1 - 2008/11

N2 - Questions about the seasonality of stroke remain controversial. Using a nationwide population-based dataset, this study presents a time series analysis of seasonal patterns in ischemic stroke occurrence, along with their association with climate in Taiwan. Using data from the Taiwan National Health Insurance Research Database, a total of 168,977 visits to emergency departments between 1998 and 2003 for ischemic stroke were identified for patients ranging between 20 and 84 yrs of age. Monthly stroke incidences were calculated for 72 months, by sex and stroke subtype, and for the age groups 20-54, 55-64, 65-74, and ≥75 yrs per 100,000 of the population. We performed auto-regressive integrated moving average (ARIMA) analysis to investigate the presence of seasonality and any association with climate for acute ischemic stroke events. We found no significant seasonal variation in the incidence of ischemic stroke for any age or sex groups. Furthermore, after adjusting for seasonality, month, and trend, the ARIMA regression model revealed only associations between ischemic stroke incidence and atmospheric pressure. We conclude that seasonality of ischemic stroke does not exist in Taiwan. Ischemic stroke incidence is, however, significantly related to atmospheric pressure.

AB - Questions about the seasonality of stroke remain controversial. Using a nationwide population-based dataset, this study presents a time series analysis of seasonal patterns in ischemic stroke occurrence, along with their association with climate in Taiwan. Using data from the Taiwan National Health Insurance Research Database, a total of 168,977 visits to emergency departments between 1998 and 2003 for ischemic stroke were identified for patients ranging between 20 and 84 yrs of age. Monthly stroke incidences were calculated for 72 months, by sex and stroke subtype, and for the age groups 20-54, 55-64, 65-74, and ≥75 yrs per 100,000 of the population. We performed auto-regressive integrated moving average (ARIMA) analysis to investigate the presence of seasonality and any association with climate for acute ischemic stroke events. We found no significant seasonal variation in the incidence of ischemic stroke for any age or sex groups. Furthermore, after adjusting for seasonality, month, and trend, the ARIMA regression model revealed only associations between ischemic stroke incidence and atmospheric pressure. We conclude that seasonality of ischemic stroke does not exist in Taiwan. Ischemic stroke incidence is, however, significantly related to atmospheric pressure.

KW - Climate

KW - Ischemic stroke

KW - Seasonality

KW - Taiwan

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