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Related Concept Videos

Cancer Survival Analysis01:21

Cancer Survival Analysis

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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
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Statistical Methods for Analyzing Epidemiological Data01:25

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Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
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Cancer Prevention02:59

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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Updated: May 12, 2025

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
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Published on: September 27, 2024

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Association between screening history and prognosis of cervical carcinoma in situ and invasive cervical cancer: A

Chiung-Shuan Huang1, Bo-Yu Hsiao2, Mei-Hsuan Wu3

  • 1Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan; Taiwan Cervical Cancer Screening Task Force, Taipei, Taiwan.

Annals of Epidemiology
|May 5, 2025
PubMed
Summary

Regular cervical cancer screening significantly improves patient prognosis. Women with recent positive screening results have better outcomes than those with negative or no screening history.

Keywords:
Cancer registryCancer screeningCervical cancerCohort studyPrognosisTaiwan

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Area of Science:

  • Oncology
  • Public Health
  • Epidemiology

Background:

  • Cervical cancer poses a global health challenge.
  • Screening history's impact on prognosis for cervical carcinoma in situ and invasive cervical cancer is examined.

Purpose of the Study:

  • To investigate the prognostic value of cervical cancer screening history.
  • To analyze the association between screening patterns and mortality in Taiwanese women.

Main Methods:

  • Analysis of 13,552 cervical carcinoma in situ and 6853 invasive cervical cancer cases (2009-2013).
  • Kaplan-Meier and Cox regression models used to assess five-year cumulative mortality.
  • Adjustments made for age, cancer stage, histology, urbanization, and treatment.

Main Results:

  • Screening history is an independent prognostic factor for both invasive and in situ cervical cancer.
  • Patients with recent positive screenings had lower mortality than those with later diagnoses, negative screenings, or no screening.
  • Factors like advanced age, certain histologies, and lower urbanization increased mortality risk.

Conclusions:

  • Screening history is a critical prognostic indicator for cervical cancer.
  • Timely and regular screening, especially after a positive result, markedly improves patient outcomes.
  • Enhanced screening awareness and accessibility are crucial for better cervical cancer prognosis.