Evidence map›Paper›PMID 32468165›Full record

ArticleInternational urology and nephrology2020

Adaptation of the prostate biopsy collaborative group risk calculator in patients with PSA less than 10 ng/ml improves its performance.

Miroslav Stojadinovic, Teodora Trifunovic, Slobodan Jankovic

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In one paragraph

Article in International urology and nephrology, 2020. 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.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
0.6field-weighted citation impact, top 27% 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

3 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. 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

3 authors at 1 institution in 1 country.

Miroslav StojadinovicDepartment of Urology, Clinic of Urology and Nephrology, Clinical Centre "Kragujevac", Zmaj Jovina 30, 34 000, Kragujevac, Serbia. midinac@gmail.com.ORCID http://orcid.org/0000-0002-5215-8729
Teodora TrifunovicDepartment of Mathematics and Informatics Faculty of Science, University of Kragujevac, Kragujevac, Serbia.
Slobodan JankovicDepartment of Urology, Clinic of Urology and Nephrology, Clinical Centre "Kragujevac", Zmaj Jovina 30, 34 000, Kragujevac, Serbia.ORCID http://orcid.org/0000-0002-1519-8828
University of Kragujevac · RS

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposesThe prostate biopsy collaborative group risk calculator (PBCGRC) is a newly developed risk estimator for predicting prostate biopsy outcomes. However, its clinical usefulness is still unknown within the so-called gray area of PSA values. This study aimed to determine whether updating the PBCGRC improves its predictive performance for predicting any-grade and high-grade (HG), defined as biopsy Gleason score ≥ 7, prostate cancer (PCa) in patients with prostate-specific antigen (PSA) less than 10 ng/ml.

methodsThe risk of any-grade and HGPCa was calculated using the PBCG risk calculation formulas updated by recalibration in the large, logistic recalibration and model revision. Predictive performances of the PBCGRC and the updated models were compared using discrimination, calibration, and clinical utility.

resultsWithin the study sample of 526 patients, PCa was detected in 193 (36.7%), and 78 (14.8%) of them had HGPCa. According to the calibration curves, the PBCGRC overestimated the risk of PCa. Predictive accuracy of the revised model was higher [the area under the receiver-operating characteristic curve (AUCs), 65.4% and 70.2%] than that of the PBCGRC (AUCs, 60.4% and 64.3%) for any-grade and HGPCa. The net benefit was greater for model revision in comparison with the original model.

conclusionThe performance accuracy of PBCGRC for the prediction of any and HGPC in men undergoing prostate biopsy with PSA levels below 10 ng/ml is suboptimal. The model revision resulted with significant improvement in model performance. However, external validation of the revised model is necessary before its routine use in clinical practice.

Indexed as

AgedBiopsyHumansMaleMiddle AgedNeoplasm GradingPredictive Value of TestsProstateProstate-Specific AntigenProstatic NeoplasmsRetrospective StudiesRisk AssessmentProstate-Specific AntigenDecision-analytic measuresModel updatingProstate biopsyProstate biopsy collaborative group risk calculatorProstate cancer

Identifiers

PMID32468165
OpenAlexW3031962179

What OpenQuestion holds

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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.