TCTR20230325001已完成不适用
The Impact of Airborne Particulate Matter 2.5 (PM2.5) on Urticaria Patients
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 1,200
研究概览
简要总结
We confirmed that PM2.5 was one of the factors that can exacerbate chronic spontaneous urticaria especially at a high level above 125 mg/m3. There was no significant association between acute urticaria and PM 2.5 level.
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- N/A (No limit) 至 N/A (No limit)（—）
- 性别
- All
入选标准
- •1. Patients diagnosed with acute urticaria or chronic spontaneous urticaria at dermatology clinic, Phramongkutklao hospital from July1st, 2018 to December 31st, 2019
- •2. Currently live in Bangkok during that time period
排除标准
- •1)living outside Bangkok
- •2) diagnosed with chronic urticaria due to other causes such as autoimmune diaseases
研究者
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