Evidence map›Paper›PMID 41221504›Full record

ArticleRheumatology advances in practice2025

Predictors for health-related quality of life in patients with rheumatoid arthritis: a longitudinal study.

Hermann Szymczak, Susanne Brandstetter, Boris Ehrenstein, Mark Steinmann, Christian Apfelbacher

Abstract read
In one paragraph

Article in Rheumatology advances in practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Review
  2. Observational
  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

5 authors.

Hermann SzymczakInstitute of Social Medicine and Health Systems Research, Medical Faculty, Otto von Guericke University Magdeburg, Magdeburg, Germany.ORCID https://orcid.org/0000-0002-5550-3110
Susanne BrandstetterUniversity Children's Hospital Regensburg (KUNO), University of Regensburg, Hospital St Hedwig of the Order of St John, Regensburg, Germany.
Boris EhrensteinDepartment of Rheumatology and Clinical Immunology, Asklepios Medical Center Bad Abbach, Bad Abbach, Germany.
Mark SteinmannDONAUISAR Klinikum Deggendorf, Deggendorf, Germany.
Christian ApfelbacherInstitute of Social Medicine and Health Systems Research, Medical Faculty, Otto von Guericke University Magdeburg, Magdeburg, Germany.ORCID https://orcid.org/0000-0003-3805-8219

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objectives: Existing observational research on predictors of health-related quality of life (HRQoL) in patients with RA is mostly limited to cross-sectional designs and often focuses on one or a few predictors. This is the first comprehensive analysis of a set of selected predictors in a longitudinal setting. Methods: A total of 361 individuals with RA were included in the study. HRQoL (physical and mental component summary scales of the 12-item Short Form Health Survey) was assessed at baseline, 3- and 12-month follow-ups. In total, 19 predictors were assessed at baseline, grouped into six thematic blocks: demographics (age, sex, education), disease-related factors (duration of disease, pain, illness severity), therapy-related factors (side effects, number of RA medicines, type of prescribed RA medication), psychological variables (beliefs about medicines, social support, depression, anxiety), behaviour (adherence) and lifestyle (obesity). Hierarchical multiple linear regression analysis was employed to test the influence of individual (groups of) predictor variables on HRQoL. Results: Only pain (as a disease-related factor) predicted both physical and mental HRQoL at all follow-ups. For physical HRQoL, age was a significant predictor at both follow-ups, as were anxiety and depression (psychological variables) for mental health HRQoL. For all other included variables, findings were non-significant or inconsistent across measurement points. Conclusion: Even though the selection of possible predictors was based on previous research findings, analysis revealed that the impact may not be as robust as previously thought. More longitudinal research is needed to specify factors that impact HRQoL in RA patients in the long run.

Indexed as

beliefs about medicineshealth-related quality of lifelongitudinal studymedication adherencerheumatoid arthritis

Identifiers

PMID41221504
PMCPMC12597878

What Socratic 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 Socratic graph.