The potential effects of temperature on outpatient visits: a case study in Chiang Mai, Thailand

Chaichana, Khuanchanok; Kitro, Amornphat; Chaidee, Supanut; Rojsiraphisal, Thaned

doi:10.1007/s11356-021-15512-y

Cited by 1 publication

(2 citation statements)

References 17 publications

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“…On the other hand, the effect of low temperatures on these admissions seemed to prevail for a longer time than did exposure to high temperatures. This observation is consistent with the findings of earlier investigations [ 37 – 39 ]. Extreme temperatures seemed to affect respiratory ED visits most of all studied temperature ranges.…”

Section: Discussionsupporting

confidence: 94%

“…This result of the present study is similar to a study in Tibet, which found that hot temperatures had a greater effect on morbidity than cold temperatures and that the acute hot effect at lag 0 was associated with an increase in respiratory diseases, RR = 1.119 (95% CI: 1.010-1.240) [23]. Not coincidentally, three studies from Lanzhou, China, the Klang Valley region of Malaysia, and Chiang Mai, Thailand, also discovered that the effects of low temperatures on respiratory admissions seem to last longer compared to exposure to high temperatures [37][38][39].…”

Section: Discussionmentioning

confidence: 99%

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Lag effect of ambient temperature on respiratory emergency department visits in Beijing: a time series and pooled analysis

Li,

Zhang,

Tian

et al. 2024

BMC Public Health

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Background Although the association between ambient temperature and mortality of respiratory diseases was numerously documented, the association between various ambient temperature levels and respiratory emergency department (ED) visits has not been well studied. A recent investigation of the association between respiratory ED visits and various levels of ambient temperature was conducted in Beijing, China. Methods Daily meteorological data, air pollution data, and respiratory ED visits data from 2017 to 2018 were collected in Beijing. The relationship between ambient temperature and respiratory ED visits was explored using a distributed lagged nonlinear model (DLNM). Then we performed subgroup analysis based on age and gender. Finally, meta-analysis was utilized to aggregate the total influence of ambient temperature on respiratory ED visits across China. Results The single-day lag risk for extreme cold peaked at a relative risk (RR) of 1.048 [95% confidence interval (CI): 1.009, 1.088] at a lag of 21 days, with a long lag effect. As for the single-day lag risk for extreme hot, a short lag effect was shown at a lag of 7 days with an RR of 1.076 (95% CI: 1.038, 1.114). The cumulative lagged effects of both hot and cold effects peaked at lag 0–21 days, with a cumulative risk of the onset of 3.690 (95% CI: 2.133, 6.382) and 1.641 (95% CI: 1.284, 2.098), respectively, with stronger impact on the hot. Additionally, the elderly were more sensitive to ambient temperature. The males were more susceptible to hot weather than the females. A longer cold temperature lag effect was found in females. Compared with the meta-analysis, a pooled effect of ambient temperature was consistent in general. In the subgroup analysis, a significant difference was found by gender. Conclusions Temperature level, age-specific, and gender-specific effects between ambient temperature and the number of ED visits provide information on early warning measures for the prevention and control of respiratory diseases.

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Section: Discussionsupporting

confidence: 94%