Evidence map›Paper›PMID 30745889›Full record

ArticleFrontiers in psychology2019

Are Soccer Players Older Now Than Before? Aging Trends and Market Value in the Last Three Decades of the UEFA Champions League.

Anton Kalén, Ezequiel Rey, Alejandro Sal de Rellán-Guerra, Carlos Lago-Peñas

Abstract read
In one paragraph

Article in Frontiers in psychology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 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

19 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Positional relative age effect in europe's top ten football leagues.BMC sports science, medicine & rehabilitation · 2025
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Elite Badminton Is Getting Older: Ages of the Top 100 Ranked Badminton Players from 1994 to 2020.International journal of environmental research and public health · 2021
    Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. 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

4 authors.

Anton KalénFaculty of Education and Sport Sciences, University of Vigo, Pontevedra, Spain.
Ezequiel ReyFaculty of Education and Sport Sciences, University of Vigo, Pontevedra, Spain.
Alejandro Sal de Rellán-GuerraFaculty of Education and Sport Sciences, University of Vigo, Pontevedra, Spain.
Carlos Lago-PeñasFaculty of Education and Sport Sciences, University of Vigo, Pontevedra, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aims of the current study were to analyze the evolution of players' age in the UEFA Champions League since the start of its modern-day format in 1992-1993 up until 2017-2018 and to determine how the players' age relates to their market value. The sample consisted of all players participating in the UEFA Champions League from the 1992-1993 to 2017-2018 seasons (

Indexed as

aging trendmarket valuepeak ageperformance analysissoccer

Identifiers

PMID30745889
PMCPMC6360147

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.