ArticleCancer2019
Diagnostic colonoscopy completion after abnormal fecal immunochemical testing and quality of tests used at 8 Federally Qualified Health Centers in Southern California: Opportunities for improving screening outcomes.
Article in Cancer, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06929481 (Screening With Liquid Biopsies to Address Colorectal Cancer Inequities), which is not on this map. Cited by 40 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Screening With Liquid Biopsies to Address Colorectal Cancer Inequities
Who cites it
40 citing papers in PubMed, 1 synthesis or guideline pooled it, 52 citations in OpenAlex.
- Pooled it
- Mailed Outreach for Colorectal Cancer Screening in Community Health Centers: The CARES Pragmatic Cluster Randomized Clinical Trial.JAMA internal medicine · 2026Trial
- Time to Follow-Up Colonoscopy After Positive Fecal Immunochemical Test with Centralized Patient Navigation: A Randomized Clinical Trial.Journal of general internal medicine · 2026Trial
- Patient Navigation to Improve Colonoscopy Completion After an Abnormal Stool Test Result : A Randomized Controlled Trial.Annals of internal medicine · 2025Trial
- Mailed Outreach and Patient Navigation for Colorectal Cancer Screening Among Rural Medicaid Enrollees: A Cluster Randomized Clinical Trial.JAMA network open · 2025Trial
- Evaluating the Reach of a Patient Navigation Program for Follow-up Colonoscopy in a Large Federally Qualified Health Center.Cancer prevention research (Philadelphia, Pa.) · 2024Trial
- Effectiveness and Cost of an Enhanced Mailed Fecal Test Outreach Colorectal Cancer Screening Program: Findings from the PROMPT Stepped-Wedge Trial.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2023Trial
- Blood-based cell-free DNA for addressing colorectal cancer screening disparities: a study protocol for a randomised trial.BMJ open · 2026Article
- Area Deprivation Index Predicts Colonoscopic Follow-up After Abnormal Fecal Immunochemical Testing for Colorectal Cancer Screening.Gastroenterology report · 2026Article
- A Qualitative Study of Staff and Provider Experiences with Follow-up Colonoscopy in a Community Health Center and Gastroenterology Specialty.Journal of cancer prevention · 2025Article
- Estimating the long-term health impact and program cost-effectiveness of providing direct screening services to low-income, medically underserved patients through the Colorectal Cancer Control Program (CRCCP).Cancer causes & control : CCC · 2025Article
- Modeled Cost-Effectiveness of a Rideshare Program to Facilitate Colonoscopy Completion.JAMA network open · 2025Article
- Colorectal cancer screening in adults aged 45-49: provider availability, CT colonography access, and screening rates.Journal of the National Cancer Center · 2025Article
- Review
- Response to Hu, Yang, and Sun.Journal of the National Cancer Institute · 2025Article
- Optimal Approach to Colorectal Cancer Screening.Gastroenterology & hepatology · 2025Article
- Cost-Effectiveness of Noninvasive Colorectal Cancer Screening in Community Clinics.JAMA network open · 2025Article
- Developing Patient-Refined Messaging for Follow-Up Colonoscopy After Abnormal Fecal Testing in Hispanic Communities: Key Learnings from Virtual Boot Camp Translation.Hispanic health care international : the official journal of the National Association of Hispanic Nurses · 2024Review
- Optimizing tracking and completion of follow-up colonoscopy after abnormal stool tests at health systems participating in the Centers for Disease Control and Prevention's Colorectal Cancer Control Program.Cancer causes & control : CCC · 2024Article
- National Breast, Cervical, and Colorectal Cancer Screening Use in Federally Qualified Health Centers.JAMA internal medicine · 2024Article
Corrections and comments
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Authors and funding
17 authors at 13 institutions in 1 country.
Funding
Abstract
backgroundThe effectiveness of colorectal cancer screening with fecal immunochemical tests (FITs) of stool blood depends on high rates of colonoscopy follow-up for abnormal FITs and the use of high-quality tests. This study characterized colonoscopy referral and completion among patients with abnormal FITs and the types of FITs implemented in a sample of Southern California Federally Qualified Health Centers (FQHCs).
methodsFQHCs in San Diego, Imperial, and Los Angeles Counties were invited to define a cohort of ≥150 consecutive patients with abnormal FITs in 2015-2016 and to provide data on sex, insurance status, diagnostic colonoscopy referrals and completion within 6 months of abnormal FITs, and the types (brands) of FITs implemented. The primary outcomes were the proportions with colonoscopy referrals and completion for all patients at each FQHC and in aggregate.
resultsEight FQHCs provided data for 1229 patients with abnormal FITs; 46% were male, and 20% were uninsured. Among patients with abnormal FITs, 89% (1091 of 1229; 95% confidence interval [CI], 0.87-0.91) had a colonoscopy referral, and 44% (539 of 1229; 95% CI, 0.41-0.47) had colonoscopy completion. Across FQHCs, the range for colonoscopy referral was 73% to 96%, and the range for completion was 18% to 57%. Six of the 8 FQHCs (75%) reported FIT brands with limited data to support their effectiveness.
conclusionsIn a sample of Southern California FQHCs, diagnostic colonoscopy completion after abnormal FITs was substantially below the nationally recommended benchmark to achieve 80% completion, and the use of FIT brands with limited data to support their effectiveness was high. These findings suggest a need for policies and multilevel interventions to promote diagnostic colonoscopy among individuals with abnormal FITs and the use of higher quality FITs.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.