Evidence map›Paper›PMID 29022170›Full record

ArticleClinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico2018

Modified staging system for pulmonary carcinoids on the basis of lung cancer TNM system.

O Abdel-Rahman

Abstract read
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Article in Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
0.5field-weighted citation impact, top 31% 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

8 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Review
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  5. Article
  6. Review
  7. Stage IV lung carcinoids: spectrum and evolution of proliferation rate, focusing on variants with elevated proliferation indices.Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2019
    Article
  8. Article
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

1 author at 1 institution in 1 country.

O Abdel-RahmanClinical Oncology Department, Faculty of Medicine, Ain Shams University, Lotfy Elsayed Street, Cairo, 11566, Egypt. omar.abdelrhman@med.asu.edu.eg.ORCID http://orcid.org/0000-0002-5117-2502
Ain Shams University · EG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPulmonary carcinoids are being staged along the lines of lung cancer American Joint Committee on Cancer (AJCC) staging system. The current study evaluated the prognostic value of a modified staging system for patients with pulmonary carcinoid. PATIENTS AND

methodsSurveillance, Epidemiology and End Results (SEER) database (2004-2014) was searched through SEER*Stat program. Through recursive partitioning analysis and subsequent decision tree formation, suggested stages were constructed. Overall survival analyses were performed through Kaplan-Meier analysis. The cancer-specific Cox regression hazard (adjusted for age, gender, race, sub-site and surgery) was calculated and pairwise comparisons of hazard ratios were conducted.

resultsA total of 6395 pulmonary carcinoid patients were recruited in the period from 2004-2014. Pairwise hazard ratio comparisons among different AJCC 8th stages were conducted and all comparisons were non-significant except for stage IIB vs. stage IIIA and stage IIIA vs. stage IIIB. Pairwise hazard ratio comparisons among different modified staging system stages were conducted and all comparisons were significant except for stage III vs. stage IV. C-statistic (using death from pulmonary carcinoid as the dependent variable) for AJCC 8th staging system was: 0.794 (SE 0.013; 95% CI 0.769-0.818); for AJCC 7th staging system was: 0.789 (SE 0.013; 95% CI 0.764-0.815), while c-statistic for the modified staging system was: 0.802 (SE 0.012; 95% CI 0.778-0.827).

conclusionThe proposed modified staging system provided a simpler yet prognostically more relevant classification of pulmonary carcinoids compared to AJCC staging systems (both 7th and 8th editions).

Indexed as

AdultAgedCarcinoid TumorFemaleHumansKaplan-Meier EstimateLung NeoplasmsMaleMiddle AgedNeoplasm StagingPrognosisProportional Hazards ModelsSEER ProgramCarcinoidNETPrognosisStaging

Identifiers

PMID29022170
OpenAlexW2763121756

What OpenQuestion holds

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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.