保持比率受损的螺旋测量和非吸烟者的喘死亡率:一个基于人口的队列研究
Xiu Shi1, Qingqing Li1, Zhenhong Hu2
1Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, China.
概括
保留比率受损螺旋计 (PRISm) 在非吸烟喘患者中显著增加死亡风险. 这一发现突出了PRISm作为喘患者结果的关键因素.
科学领域:
- 肺部病理学 肺部病理学
- 流行病学 流行病学
- 临床医学 临床医学
背景情况:
- 保持比率受损螺旋计 (PRISm) 是一种与喘相关的疾病.
- 在非吸烟喘患者中,PRISm与死亡风险之间的关联尚不清楚.
- 研究PRISM对死亡率的影响对于喘管理至关重要.
研究的目的:
- 为了确定PRISm是否会增加成人喘患者的全因死亡风险,而在基线时没有吸烟史或空气流阻塞.
- 为了比较使用PRISm的喘患者和使用正常螺旋计的喘患者之间的死亡率.
主要方法:
- 对748名没有吸烟史的成人喘患者进行前性队列研究.
- 参与者被分类为正常的螺旋计 (预测FEV1 ≥80%) 或PRISM (预测FEV1 <80%).
- 随访时间中位数为9.6年;使用多变量考克斯回归和卡普兰-梅尔生存分析进行分析.
主要成果:
- 在基线时,PRISm在8.52%的参与者中存在.
- PRISm独立地与所有原因死亡风险增加6.57倍相关 (aHR=6.57,95%CI:2.33-18.47,p <0.001).
- 卡普兰-梅尔分析显示,PRISm组的生存率明显较差 (日志排名p = 0.006).
结论:
- 在没有基线气流阻塞的非吸烟喘患者中,PRISm与全因死亡率的增加显著相关.
- 在敏感性分析中,这种关联仍然显著,证实了强度.
- 研究结果表明,PRISM是喘的关键预后指标,尽管广泛的置信区间需要谨慎解释.
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