美国普通人口中维生素A和维生素K摄入量与肺功能之间的关联:来自NHANES 2007-2012年的证据
Yi-Chuan Chen1, Ming-Szu Hung2,3,4
1Department of Emergency Medicine, Madou Sin-Lau Hospital, The Presbyterian Church in Taiwan, Tainan, Taiwan.
更高的维生素A和维生素K摄入量与美国成年人的肺功能改善有关. 这表明这些维生素对呼吸系统健康的潜在益处,需要进一步研究.
科学领域:
- 营养和呼吸系统健康
- 肺功能评估 肺功能评估
背景情况:
- 营养在呼吸系统健康中的作用是公认的,但维生素A和维生素K对肺功能的具体影响还未得到充分研究.
- 现有研究尚未完全阐明维生素A,维生素K和肺部健康结果之间的关系.
研究的目的:
- 调查美国成年人群中饮食摄入维生素A和维生素K与肺功能参数之间的关联.
- 评估维生素A和维生素K的摄入与FEV1和FVC等螺旋测量指标的相关性.
主要方法:
- 从2007-2012年的NHANES中对10,034名美国成年人 (20-79岁) 的数据进行横截面分析.
- 通过螺旋计评估肺功能 (FEV1,FVC,FEV1/FVC).
- 用于确定维生素A和维生素K摄入量与肺功能结果之间的关联的回归模型,以混因素进行调整.
主要成果:
- 增加维生素A摄入量 (1微克/天) 与更高的FEV1 (0.03毫升,p=0.004) 和FVC (0.04毫升,p<0.001) 相关.
- 增加维生素K摄入量 (1微克/天) 与更高的FEV1 (0.11毫升,p=0.022) 相关.
- 没有发现维生素A或维生素K摄入量与FEV1/FVC比率或呼吸道阻塞之间有显著的关联.
结论:
- 更多的维生素A和维生素K摄入量独立地与美国一般成年人群的更好的肺功能有关.
- 这些发现表明,维生素A和维生素K对肺部健康有潜在的积极影响.
- 建议通过随机对照试验进一步确认以确定因果关系.
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