Association of Pre-diagnostic Vitamin D Levels and Survival in Older Individuals With Cancer
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 5,764
- 主要终点
- Overall mortality among cancer patients
研究概览
简要总结
Using the population-based data sources in Iceland and the well-characterized AGES-Reykjavik cohort, our overarching aims are on exploring whether pre-diagnostic serum levels of 25-hydroxyvitamin D (25(OH)D) among older individuals living in Iceland were associated with survival after cancer diagnosis. We also wanted to assess the risk of being diagnosed with cancer in association with 25(OH)D levels. In this population living just south of the arctic circle, vitamin D levels largely depend on dietary- and supplemental sources.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 66 Years 至 98 Years（Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •To be part of the AGES-Reykjavik Study, initiated between 2002 and 2006.
排除标准
- •Diagnosed with cancer at study entry
结局指标
主要结局
Overall mortality among cancer patients
时间窗: Patients were followed from date of diagnosis since 2002 until death or censored at end of the follow-up (December 31, 2014)
We tested the association between pre-diagnostic 25(OH)D levels and total survival
次要结局
- Cancer-specific mortality among cancer patients(Patients were followed from date of diagnosis since 2002 until death or censored at end of the follow-up (December 31, 2014))