Evidence map›Paper›PMID 34814239›Full record

ArticleClinical and molecular hepatology2022

Surgery versus radiofrequency ablation in patients with Child- Pugh class-A/single small (≤3 cm) hepatocellular carcinoma.

Jungnam Lee, Young-Joo Jin, Seung Kak Shin, Jung Hyun Kwon, Sang Gyune Kim, Young Ju Suh, Yujin Jeong, Jung Hwan Yu, Jin-Woo Lee, Oh Sang Kwon and 2 more

Open access · goldAbstract read
In one paragraph

Article in Clinical and molecular hepatology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 7 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 7 pooled it
3.9field-weighted citation impact, top 4% 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

30 citing papers in PubMed, 7 syntheses or guidelines pooled it, 41 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 6 institutions in 1 country.

Jungnam LeeDepartment of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, Korea.
Young-Joo JinDepartment of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, Korea.
Seung Kak ShinDepartment of Internal Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
Jung Hyun KwonDepartment of Internal Medicine, The Catholic University of Korea Incheon St. Mary's Hospital, Incheon, Korea.
Sang Gyune KimDepartment of Internal Medicine, Soonchunhyang University Hospital Bucheon, Bucheon, Korea.
Young Ju SuhDepartment of Biomedical Sciences, Inha University School of Medicine, Incheon, Korea.
Yujin JeongDepartment of Biostatistics, Korea University College of Medicine, Seoul, Korea.
Jung Hwan YuDepartment of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, Korea.
Jin-Woo LeeDepartment of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, Korea.
Oh Sang KwonDepartment of Internal Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
Soon Woo NahmDepartment of Internal Medicine, The Catholic University of Korea Incheon St. Mary's Hospital, Incheon, Korea.
Young Seok KimDepartment of Internal Medicine, Soonchunhyang University Hospital Bucheon, Bucheon, Korea.
Inha University Hospital · KRGachon University · KRSoonchunhyang University Hospital Seoul · KRThe Catholic University of Korea Incheon St. Mary's Hospital · KRInha University · KRKorea University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

aimsWe compared the post-treatment overall survival (OS) and recurrence-free survival (RFS) between patients with Child-Turcotte-Pugh (CTP) class-A and single small (≤3 cm) hepatocellular carcinoma (HCC) treated by surgical resection (SR) and radiofrequency ablation (RFA).

methodsWe retrospectively analyzed 391 HCC patients with CTP class-A who underwent SR (n=232) or RFA (n=159) as first-line therapy for single small (≤3 cm) HCC. Survival was compared according to the tumor size (≤2 cm/2-3 cm) and the presence of cirrhosis. Inverse probability of treatment weighting (IPW) method was used to estimate the average causal effect of treatment.

resultsThe median follow-up period was 64.8 months (interquartile range, 0.1-162.6). After IPW, the estimated OS was similar in the SR and RFA groups (P=0.215), and even in patients with HCC of ≤2 cm (P=0.816) and without cirrhosis (P=0.195). The estimated RFS was better in the SR group than in the RFA groups (P=0.005), also in patients without cirrhosis (P<0.001), but not in those with HCC of ≤2 cm (P=0.234). The weighted Cox proportional hazards model with IPW provided adjusted hazard ratios (95% confidence interval) for OS, and the RFS after RFA versus SR were 0.698 (0.396-1.232) (P=0.215) and 1.698 (1.777-2.448) (P=0.005), respectively.

conclusionSR was similar for OS compared to RFA, but was better for RFS in patients with CTP class-A and single small (≤3 cm) HCC. The RFS was determined by the presence or absence of cirrhosis. Hence, SR rather than RFA should be considered in patients without cirrhosis to prolong the RFS, although there is no OS difference.

Indexed as

Carcinoma, HepatocellularCatheter AblationLiver NeoplasmsRadiofrequency AblationHepatectomyHumansLiver CirrhosisNeoplasm Recurrence, LocalPropensity ScoreRetrospective StudiesTreatment OutcomeHepatocellular carcinomaOperationRadiofrequency ablationSurvival

Identifiers

PMID34814239
PMCPMC9013608
OpenAlexW3215967835

What OpenQuestion holds

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LicenceCC BY-NC
Read underepoch 390

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.