Effect of Dusty Weather on Symptoms and Medication Use in Patients with Allergic Rhinitis Due to Cypress Pollen Allergy
Objective To investigate the effect of dusty weather on the symptom severity and medication use in patients with allergic rhinitis(AR)due to cypress pollen allergy.Methods Eighty-one patients with AR due to cypress pollen allergy were recruited.Nasal conjunctivitis symptom scores and medication scores were recorded every day during the cypress pollen pollination period between 2019-2023,the date and daily meteorological data of Beijing affected by dusty weather were obtained from the official website.The effects of dusty weather on the daily symptom score and daily combined symptom and medication score were analyzed using the multiple linear re-gression model.Results Under the premise of controlling the effects of cypress pollen concentration and meteorological factors,there were statistically significant positively correlation between daily symptom score,daily combined symptom and medication score and whether or not"dust day"in AR patients.The results of multiple linear regression analysis showed that the daily symptom score was r=0.39,95％CI:0.057-0.724,P=0.022;daily combined symptom and medication score was r=1.199,95％CI:0.420-1.977,P=0.003.In addition,the daily symptom score and the daily combined symptom and medication score of AR patients also had a statistically signifi-cant positive correlation with the cypress pollen concentration,with a 0.338-point increase in daily symptom score and a 0.602-point increase in daily combined symptom and medication score for every 1-point increase in"log10 pollen count".Conclusion Dusty weath-er as an independent risk factor influences symptoms and medication use in AR patients with cypress pollen allergic.
Allergic rhinitisDusty weatherSymptom scoreCombined symptom and medication scoreCypress pollen
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