Analysis on the impact of meteorological factors on the outpatient volume of chronic obstructive pulmonary disease in Urumqi City
WU Di1, MAILIMAN Bahani1, NIE Yan-wu1, YANG Zhen1, ZHANG Li-ping2
1. School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang 830017, China; 2. School of Medical Engineering and Technology, Xinjiang Medical University, Urumqi, Xinjiang 830017, China
Abstract：Objective To explore the influence and lagging effect of meteorological factors on the outpatient visits of chronic obstructive pulmonary disease (COPD) in Urumqi City. Methods Distributed lag non-linear models (DLNM) were established to control the long-term effect of time, the day of the week effect and air pollutants (O3,PM10) related confounding factors, the exposure-lag-effect relationship between meteorological factors and the outpatient volume of COPD was discussed, and the effect of meteorological factors on the outpatient volume of COPD in different populations was explored through subgroup analysis. Results The average daily temperature and the outpatient volume of COPD showed a U-shaped pattern, and the relative risks (RRs) at low temperature and high temperature were both greater than 1. At -25 ℃ and a lag of 0 day, the daily outpatient effect value of COPD in men aged ≥65 years was the largest (RR=1.223, 95%CI:1.100-1.360). Relative humidity showed an anti-J pattern to the cumulative risk of COPD clinic visits at a lag of 0-6 days, and the risk of outpatient visitsincreased with the decrease of relative humidity. Conclusion There are greater risks for COPD outpatient visits in the ≥65 year olds when affecting by average daily temperature and relative humidity.The effect of hypothermia on the risk of COPD outpatient visits in males aged ≥ 65 years is the greatest on the day of exposure. The effect of low humidity on the risk of COPD outpatient visits in females aged ≥65 years is the greatest on the day of exposure.
武迪, 买力曼·巴哈尼, 聂艳武, 杨振, 张利萍. 气象因素对乌鲁木齐市慢阻肺门诊量的影响分析[J]. 实用预防医学, 2023, 30(6): 677-682.
WU Di, MAILIMAN Bahani, NIE Yan-wu, YANG Zhen, ZHANG Li-ping. Analysis on the impact of meteorological factors on the outpatient volume of chronic obstructive pulmonary disease in Urumqi City. , 2023, 30(6): 677-682.
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2023, Vol. 30 
