KCT0008740进行中（未招募）Unknown
Carcinogenic Risk of Medical Radiation Exposure: A Population-based Study for Fetus, Infant, and Child
试验速览
- 阶段
- Unknown
- 状态
- 进行中（未招募）
- 入组人数
- 5,000,000
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- o Limit 至 o Limit（—）
- 性别
- All
入选标准
- •We included newborn babies who were born from January 1, 2005, to December 31, 2019.
排除标准
- •We excluded babies with the following conditions First, we excluded babies who had genetic diseases or syndromes that predispose patients to have cancers. The presence of the genetic diseases or syndromes was determined using the diagnosis codes within the follow-up period. Second, we excluded babies whose mothers undertook any other CT examinations including head and chest CT. Although the estimated radiation dose of those CT examinations would be minimal to the fetus, we assumed that any condition the mothers undertook the CT examinations might influence the fetus beneficially or harmfully. Third, we excluded babies whose mother diagnosed cancers before the pregnancy.
研究者
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