相关实验视频

Updated: Jun 13, 2025

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
06:55

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

14.4K

人类健康的顺序多重分配随机试验 (SMARTs) 的设计特征:2009-2024年间研究的范围审查

Nikki L B Freeman, Sydney E Browder, Bryce T Rowland

    medRxiv : the preprint server for health sciences
    |June 12, 2025
    PubMed
    概括

    顺序多重分配随机试验 (SMARTs) 的报告显示了变化,大多数初级分析未充分利用其开发动态治疗方案的潜力. 需要标准化指导方针来改善SMART报告和影响.

    更多相关视频

    Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies15:00

    Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

    Published on: February 3, 2023

    2.4K
    Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack07:31

    Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack

    Published on: May 15, 2020

    7.0K

    相关概念视频

    Hazard Ratio01:12

    Hazard Ratio

    The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
    For example, in a clinical trial...
    92
    Longitudinal Studies01:26

    Longitudinal Studies

    Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
    142
    Study Designs in Epidemiology01:20

    Study Designs in Epidemiology

    Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
    Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and...
    189
    Issues And Trends In Healthcare Delivery System01:29

    Issues And Trends In Healthcare Delivery System

    The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
    Cost Containment
    Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
    5.6K
    Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

    Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

    Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
    Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
    124
    Randomized Experiments01:13

    Randomized Experiments

    The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
    Simple randomization
    Simple...
    6.8K