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相关概念视频

Observational Studies01:11

Observational Studies

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Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
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Comparing the Survival Analysis of Two or More Groups01:20

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Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
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Regression Toward the Mean01:52

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Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
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相关实验视频

Updated: Sep 14, 2025

Introduction of Intracapsular Rotary-cut Procedures IRCP: A Modified Hysteromyomectomy Procedures Facilitating Fertility Preservation
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战争时期的自发流产:一个回顾性比较研究

Keren Zloto1, Gad Segal2, Lital Shaham1

  • 1Department of Obstetrics and Gynecology, Sheba Medical Center, Tel Hashomer, Israel, Gray Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel.

The Israel Medical Association journal : IMAJ
|July 23, 2025
PubMed
概括

战争暴露没有显著影响自发流产 (SAB) 率. 这项研究发现,与前几年相比,战争期间的SAB率相似,这表明冲突导致的早期妊娠压力的影响很小.

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科学领域:

  • 产科和妇科 产科和妇科
  • 公共卫生 公共卫生
  • 流行病学 流行病学

背景情况:

  • 医疗保健系统在战时面临挑战,平衡民用和军用医疗需求.
  • 战争需要了解它对弱势群体,包括孕妇的影响.

研究的目的:

  • 评估战时暴露与自发流产 (SAB) 风险之间的关联.
  • 为了比较冲突时期的SAB利率与非战时时期.

主要方法:

  • 使用了回顾性研究设计.
  • 在铁剑战争期间的SAB费率与2020-2022年的费率进行了比较.

主要成果:

  • 铁剑战争期间的SAB利率 (11.74%) 与前几年 (13%-13.8%) 相当.
  • 与前几年 (6.3% - 9.3%) 相比,在战争组中,吸烟的流行率明显高 (18.47%).
  • 在慢性疾病的流行率或终止怀孕的方法中没有观察到显著的差异.

结论:

  • 与早期怀孕期间的战时暴露相关的压力似乎不会显著改变自发流产率.
  • 进一步的研究可能会探索其他战时因素对怀孕结果的影响.