ArticleJournal of gastrointestinal cancer2021
Differences in Baseline Characteristics and White Blood Cell Ratios Between Racial Groups in Patients with Pancreatic Adenocarcinoma.
Article in Journal of gastrointestinal cancer, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 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.
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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.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Pooled it
- Review
- Predicting Survival of Patients with Nonmetastatic Breast Cancer Based on Fibrinogen-to-Albumin Ratio and Lymphocyte-to-Monocyte Ratio: A Nomogram-Based Assessment.Breast care (Basel, Switzerland) · 2023Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposePancreatic adenocarcinoma remains a malignancy with poor prognosis. Black patients experience poorer overall survival compared with other races. Recent studies have elucidated certain prognostic factors at the time of diagnosis of pancreatic cancer which have largely not been studied for differences between racial groups. We present a study examining differences in blood levels between Black and non-Black patients and their effects on overall survival.
methodsThis is a retrospective cohort study. One hundred sixty-three patients were confirmed to carry a tissue diagnosis of pancreatic adenocarcinoma and included in analysis; 27 of the patients were self-identified as "Black"; 136 were analyzed together as "Non-Black" with the majority identifying as "White". Various blood markers were drawn at the time of diagnosis. Kaplan-Meier and multivariable Cox regression models were used to examine differences in these factors between Black and non-Black patients, as well as their effect on overall survival.
resultsBlack patients were younger at diagnosis (p = 0.001) and were more likely to experience significant weight loss leading up to diagnosis (p = 0.009); Black patients also had a lower neutrophil-to-lymphocyte ratio (NLR) (p = 0.001) and higher lymphocyte-to-monocyte ratio (LMR) (p = 0.001) at diagnosis. In multivariable analysis, an NLR > 3.5 had a significantly negative impact on overall survival (p = 0.002), as did the presence of metastatic disease (p < 0.001).
conclusionBlack patients demonstrated a "favorable" white blood cell profile (higher LMR, lower NLR) compared with non-Black patients. This may suggest that the immune response in pancreatic adenocarcinoma is not what is driving disparately poor outcomes in Black patients. Further study is warranted to ascertain the role of immune response in pancreatic adenocarcinoma, the prognostic use of these measurements at diagnosis, and possible other factors, such as genetics, which may better explain poorer outcomes in Black patients.
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