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Life Tables01:22

Life Tables

A life table is a statistical tool that summarizes the mortality and survival patterns of a population, providing detailed insights into the likelihood of survival or death across different age intervals within a cohort. By organizing data on survival probabilities and mortality rates, life tables offer a clear snapshot of population dynamics over time. They are extensively used in demography, public health, actuarial science, and ecology to analyze life expectancy, design health interventions,...
Applications of Life Tables01:22

Applications of Life Tables

Life tables are versatile across various fields, providing a quantitative basis for analyzing mortality and survival rates. Whether used by demographers, actuaries, epidemiologists, or sociologists, life tables offer valuable insights into the dynamics of life and death, facilitating informed decisions in public health, insurance, conservation, and beyond. Their broad applicability highlights the interconnectedness of demographic data with practical outcomes in everyday life and strategic...
Regression Toward the Mean01:52

Regression Toward the Mean

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 researchers try to extrapolate results...
Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
Actuarial Approach01:20

Actuarial Approach

The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...

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死産:どこで? いつから? どうして? では,どうやってデータを有効にするのか?

Joy E Lawn1, Hannah Blencowe, Robert Pattinson

  • 1Saving Newborn Lives/Save the Children, Cape Town, South Africa. joylawn@yahoo.co.uk

Lancet (London, England)
|April 19, 2011
PubMed
まとめ

毎年何百万人もの死産が起きており,主に低所得国では発生しており,母子保健のモニタリングとデータ収集における重大なギャップを強調しています. 改善されたデータと分類システムは,世界の死産予防の取り組みにとって不可欠です.

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科学分野:

  • グローバル・ヘルス グローバル・ヘルス
  • 母親と子供の健康について
  • 産前流行病学 産前流行病学

背景:

  • 死産は,見過ごされている世界的な健康問題であり,主要な国際的な健康指標と目標から大きく除外されています.
  • 2008年に世界中で推定265万例の死産が発生し,その98%が低所得国,中所得国で行われた.
  • 格差は存在し,サハラ以南のアフリカと南アジアの農村部では死産率が高くなります.

研究 の 目的:

  • 世界的に死産問題の目に見えないことと規模を強調するためです.
  • 死産に関連する主要な人口統計的,地理的要因を特定する.
  • 死産のデータ収集,分類,報告の改善を提唱する.

主な方法:

  • 2008年の世界の死産推定値の分析,出生体重と妊娠年齢によって層分化.
  • 死亡児の地理的および人口的分布の調査,都市環境と田舎環境の比較.
  • 生死児に関する既存のデータ収集および分類システムのレビュー.

主要な成果:

  • 2008年に推定された死産は265万件を超え,その98%は低所得国,中所得国にある.
  • 死産率と,熟練した出産担当者のアクセスにおける,田舎と都市の大きな格差.
  • 毎年推定で119万例の胎内死産が起きており,しばしば産科の緊急事態に関連している.

結論:

  • 死産は,世界的に緊急に注目され,健康監視の枠組みに含まれる必要があります.
  • 農村部における格差をなくし,産科医療へのアクセスを改善することが極めて重要です.
  • 標準化された分類と改善された生命登録は,効果的な死産予防戦略に不可欠です.