Evidence map›Paper›PMID 34830993›Full record

ArticleCancers2021

Soluble PD-L1 in Serum and Urine in Urinary Bladder Cancer Patients.

Anders Vikerfors, Sabina Davidsson, Janusz Frey, Tomas Jerlström, Jessica Carlsson

Abstract read
In one paragraph

Article in Cancers, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
–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

17 citing papers in PubMed.

  1. Review
  2. Matrix Type Influences the Levels of Soluble Immune Checkpoints.Journal of clinical laboratory analysis · 2026
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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

5 authors.

Anders VikerforsDepartment of Urology, Faculty of Medicine and Health, Örebro University, 703 62 Örebro, Sweden.
Sabina DavidssonDepartment of Urology, Faculty of Medicine and Health, Örebro University, 703 62 Örebro, Sweden.
Janusz FreyDepartment of Urology, Faculty of Medicine and Health, Örebro University, 703 62 Örebro, Sweden.ORCID 0000-0002-8091-3621
Tomas JerlströmDepartment of Urology, Faculty of Medicine and Health, Örebro University, 703 62 Örebro, Sweden.ORCID 0000-0003-4615-5238
Jessica CarlssonDepartment of Urology, Faculty of Medicine and Health, Örebro University, 703 62 Örebro, Sweden.ORCID 0000-0001-8457-7592

Funding

Lions cancer research Foundation Vikerfors2017Örebro County research committé OLL-767031
6 · The paper itself

Abstract

Soluble PD-L1 (sPD-L1) levels have been identified as a potential biomarker for various cancers, but its diagnostic and prognostic value in urinary bladder cancer (BC) remains to be fully elucidated. In this study, we investigated sPD-L1 levels in serum and urine samples from 132 patients with BC and compared them to 51 patients with hematuria (controls). The levels of sPD-L1 in serum and urine were determined using ELISA. Soluble PD-L1 could be detected in 99.5% of the serum samples and 34.4% of the urine samples. Patients diagnosed with BC had significantly higher urinary levels of sPD-L1, compared to controls, however no difference were found in serum sPD-L1 levels (

Indexed as

macroscopic hematuriaserumsoluble PD-L1urinary bladder cancerurine

Identifiers

PMID34830993
PMCPMC8616046

What OpenQuestion holds

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Registered trials

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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.