Evidence map›Paper›PMID 31568889›Full record

ArticleLung cancer (Amsterdam, Netherlands)2019

Consolidation-to-tumor ratio and tumor disappearance ratio are not independent prognostic factors for the patients with resected lung adenocarcinomas.

Hyungjin Kim, Jin Mo Goo, Young Tae Kim, Chang Min Park

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Article in Lung cancer (Amsterdam, Netherlands), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

21 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

Hyungjin KimDepartment of Radiology, Seoul National University College of Medicine, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea; Institute of Radiation Medicine, Seoul National University Medical Research Center, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
Jin Mo GooDepartment of Radiology, Seoul National University College of Medicine, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea; Institute of Radiation Medicine, Seoul National University Medical Research Center, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea; Cancer Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
Young Tae KimCancer Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea; Department of Thoracic and Cardiovascular Surgery, Seoul National University College of Medicine, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
Chang Min ParkDepartment of Radiology, Seoul National University College of Medicine, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea; Institute of Radiation Medicine, Seoul National University Medical Research Center, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea; Cancer Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea. Electronic address: cmpark.morphius@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesOur study aimed to investigate the independent prognostic values of consolidation-to-tumor ratio (CTR) and tumor disappearance ratio (TDR) after adjustment for the conventional prognostic factors and the eighth edition clinical T category for patients with resected lung adenocarcinomas. MATERIALS AND

methodsThis retrospective study included 691 patients (281 men and 410 women; median age, 63 years) with resected lung adenocarcinomas (clinical T1N0M0). The prognostic implications for disease-free survival (DFS) of CTR and TDR in continuous and categorical forms were analyzed using multivariable-adjusted Cox regression analysis, including multiple clinico-radiological prognostic factors and the clinical T category based on the solid portion measurement. Analysis was performed for the total study population and for two part-solid nodule subgroups (cT1mi/cT1a to cT1c and cT1mi/cT1a to cT1b, respectively).

resultsFor the total study population, CTR and TDR were not selected in the multivariable Cox regression models, which indicated that these are not independent prognostic factors. Age (adjusted HR: 1.026; P = 0.022) and clinical T category (adjusted HR for cT1b: 3.475; P = 0.019; adjusted HR for cT1c: 9.938; P < 0.001) were independently associated with DFS. For the part-solid nodule subgroups, multivariable-adjusted HRs for CTR and TDR were not statistically significant (all P > 0.05).

conclusionCTR and TDR were not independent prognostic factors. Preoperative prognostication based on clinical T category would be sufficient without further stratification according to CTR or TDR.

Indexed as

Adenocarcinoma of LungAgedFemaleFollow-Up StudiesHumansLung NeoplasmsMaleMiddle AgedPrognosisPulmonary Surgical ProceduresRetrospective StudiesTomography, X-Ray ComputedAdenocarcinomaConsolidation-to-tumor ratioDisease-free survivalNeoplasm stagingT categoryTumor disappearance ratio

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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.