Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte University Hospital, Copenhagen, Denmark.
JAMA. 2019 Mar 12;321(10):1003-1005. doi: 10.1001/jama.2019.0052.
This long-term follow-up of a randomized trial reporting no apparent effect of high-dose vs standard-dose prenatal vitamin D supplementation on wheezing in children at the age of 3 years extends the findings an additional 3 years and describes asthma risk at the age of 6 years.
本研究对一项随机试验进行了长期随访,该试验报告称高剂量与标准剂量产前维生素 D 补充对 3 岁儿童喘息无明显影响,本研究将随访时间延长了 3 年,并描述了 6 岁时哮喘的风险。