Evidence map›Paper›PMID 22679453›Full record

ArticleDeutsches Arzteblatt international2012

Publications by doctoral candidates at Charité University Hospital, Berlin, from 1998-2008.

Esther Ziemann, Jörg-Wilhelm Oestmann

Abstract read
In one paragraph

Article in Deutsches Arzteblatt international, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

  1. Article
  2. Observational
  3. Article
  4. Observational
  5. Article
  6. Review
  7. Article
  8. Less efficient, rather than more so.Deutsches Arzteblatt international · 2012
    Article
  9. Imbalances of the impact factor.Deutsches Arzteblatt international · 2012
    Article
  10. Article
  11. Article
  12. Article
  13. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors.

Esther ZiemannPromotion Committee, Charité-University Medicine Berlin, Campus Virchow Klinikum, Berlin, Germany.
Jörg-Wilhelm Oestmann

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOne quality parameter of medical theses is the number of articles published by the doctoral candidates. Over the course of the past decade the Charité-Universitätsmedizin Berlin has taken steps to improve the quality of the theses completed by its doctoral students in medicine and increase their publication activity. This study was designed to verify the efficacy of these measures and to detect general trends.

methodMedical theses completed in 1998, 2004 and 2008 (sample size >250 for each year) were retrospectively analyzed with regard to associated publications within a 7-year period (from 5 years before completion to 2 years thereafter). Quality and quantity were recorded. Publications found in the PubMed database were evaluated; the impact factor of the publishing journal was used as quality parameter.

resultsThe sample sizes were 264 for 1998, 316 for 2004, and 316 for 2008. The number of publications per doctoral student increased from 0.78 to 1.39 over the course of the study period, and the average impact factor rose from 2.42 to 3.62. Analysis using the current impact factors of the publishing journals showed an increase from 3.13 to 3.85. The proportion of case reports fell from 12.7% to 8%. The proportion of first authorships remained about the same.

conclusionThe past decade has seen an increase in the number of publications by doctoral students at the Charité and a rise in the average impact factor of the journals concerned.

Indexed as

Academic Dissertations as TopicJournal Impact FactorGermanyPublicationsPubMedStudents, Medical

Identifiers

PMID22679453
PMCPMC3369306

What OpenQuestion holds

Textmetadata
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.