To investigate, the researchers used data from a community-based, randomized controlled trial of eradication of Helicobacter pylori. 研究者收集了以社区群众为基础的幽门螺旋杆菌根除随机对照研究的数据。
This finding requires confirmation in an adequately powered prospective randomized controlled trial in patients with milder symptoms. 此发现需要在轻度症状的患者中进行足够有力的前瞻性随机对照试验(RCT)证实。
A cluster randomized controlled trial was initiated in Trivandrum district, Kerala, India. 在印度喀拉拉邦的特里凡得琅地区开展了一项随机抽样对照临床试验。
Study Design. A cluster randomized controlled trial and economic evaluation with a12-month follow-up and with work department as the unit of randomization. 研究设计:这是一个随机对照试验(RCT),并且我们同劳动部门一起,对随机的单位进行了随访12个月的经济效益评估。
Methods : A multi-centered randomized controlled trial was conducted and the enrolled participants were divided into an ear acupuncture group and a control group. 方法:采用多中心的随机对照试验(RCT)研究,将受试者分为耳针组和对照组。