Evidence map›Paper›PMID 32789099›Full record

ArticleCureus2020

Lymph Node Ratio as a Prognostic Marker in Pancreatic Cancer Survival: A Systematic Review and Meta-Analysis.

Uday Karjol, Ajay Chandranath, Pavan Jonnada, Sushma Cherukuru, Vinitha Annavarjula, Srinivas Ayyappa Morla

Open access · diamondAbstract read
In one paragraph

Article in Cureus, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
0.8field-weighted citation impact, top 24% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.

  1. Pooled it
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  8. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Uday KarjolSurgical Oncology, Kidwai Memorial Institute of Oncology, Bangalore, IND.
Ajay ChandranathSurgical Oncology, Kidwai Memorial Institute of Oncology, Bangalore, IND.
Pavan JonnadaSurgical Oncology, Kidwai Memorial Institute of Oncology, Bangalore, IND.
Sushma CherukuruPathology, AmPath Laboratories, Hyderabad, IND.
Vinitha AnnavarjulaOral and Maxillofacial Surgery, Surgical Oncology, Kidwai Memorial Institute of Oncology, Bangalore, IND.
Srinivas Ayyappa MorlaSurgical Oncology, MNJ Institute of Oncology Regional Cancer Centre, Hyderabad, IND.
Kidwai Memorial Institute of Oncology · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction The lymph node ratio (LNR) is defined as the ratio of number of positive lymph nodes to the total number of lymph nodes harvested during surgery. The objective of this article is to investigate the efficacy of LNR as a prognostic indicator of survival in pancreatic cancer patients who have undergone surgery by meta-analysis. Methods A systematic database search was performed in MEDLINE, Embase, and Google Scholar for relevant studies that reported LNR in pancreatic cancer. Two authors independently screened the relevant articles for selection and to extract data. All studies published in English up to April 2020 were obtained, and a total of 17,128 node-positive patients in 14 studies were included in this meta-analysis. RevMan software 5.3 (Cochrane Collaboration, the Nordic Cochrane Centre, Copenhagen, Denmark) was used for conducting all statistical analyses. Results This meta-analysis demonstrated that LNR > 0.2 significantly correlated with worse survival (hazard ratio [HR]: 1.84; 95% CI: 1.74-1.94; p ≤ 0.00001) in node-positive pancreatic cancer patients. Conclusions Our findings have demonstrated that a higher LNR is a predictor of poor survival and that LNR serves as an independent prognostic marker for assessing survival using a cut-off of 20%.

Indexed as

lymph node ratiometastatic lymph nodespancreatic cancerpositive lymph nodessurvival

Identifiers

PMID32789099
PMCPMC7417066
OpenAlexW3047762723

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

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.