Key result
A 1°C increase in hourly temperature variability was associated with a 4.3% (95% CI 2.2-6.4) increase in COPD hospitalizations.
Why the study?
Few studies have examined the acute effect of temperature variability on COPD exacerbations, and the fraction of COPD burden attributable to temperature variability remained unknown.
Does temperature variability increase hospital admissions for COPD?
Population
71,070 COPD hospitalizations during 2013-2015 in Guangzhou, China
Comparison
Short-term temperature variability measured by standard deviation of hourly or daily temperatures
Design
Time-series analysis using quasi-Poisson regression
Authors
Loading...
TV associated with higher COPD hospitalizations; leaves open whether mitigation strategies reduce exacerbations.
Observational (n=71,070)
Does temperature variability increase hospital admissions for COPD?
Effect estimate: 4.3% increase (95% CI 2.2-6.4)
Short-term temperature variability is an independent risk factor for COPD hospitalizations, particularly among vulnerable subpopulations.
Zhan et al. (2020) conducted an observational in Chronic obstructive pulmonary disease (COPD) (n=71,070). Temperature variability (TV) was evaluated on COPD hospitalization (4.3% increase, 95% CI 2.2-6.4). A 1°C increase in hourly temperature variability was associated with a 4.3% (95% CI 2.2-6.4) increase in COPD hospitalizations.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: