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ArticleActa dermato-venereologica2024

Correlation between Dermatology Life Quality Index and Psoriasis Area and Severity Index in Patients with Psoriasis: A Cross-sectional Global Healthcare Study on Psoriasis.

Julia-Tatjana Maul, Lara V Maul, Johannes A Didaskalu, Fernando Valenzuela, Ricardo Romiti, Hannah Peterson, Edwin Korouri, Farah Novoa, Hazel H Oon, Min Zheng and 5 more

Registry-linked trialAbstract read
In one paragraph

Article in Acta dermato-venereologica, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07634016 (Global Healthcare Study on Psoriasis), which is not on this 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.

NCT07634016 recruitingnot on this mapstarted 2025, after this paper: background citation

Global Healthcare Study on Psoriasis

Typeobservational_patient_registrySponsorJulia Tatjana MaulRan2025 to 2029Enrolled9,600ConditionsPsoriasis (PsO)
3 · Its place in the literature

Who cites it

17 citing papers in PubMed.

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  10. Psoriasis.Nature reviews. Disease primers · 2025
    Review
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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

15 authors.

Julia-Tatjana MaulFaculty of Medicine, University of Zurich, Zurich, Switzerland; Department of Dermatology, University Hospital Zurich, Zurich, Switzerland. Julia-Tatjana.maul@usz.ch.
Lara V MaulFaculty of Medicine, University of Zurich, Zurich, Switzerland; Department of Dermatology, University Hospital Zurich, Zurich, Switzerland; Department of Dermatology, University Hospital Basel, Basel, Switzerland.
Johannes A DidaskaluFaculty of Medicine, University of Zurich, Zurich, Switzerland.
Fernando ValenzuelaDepartment of Dermatology, University of Chile, Santiago, Chile.
Ricardo RomitiDepartment of Dermatology, University of São Paulo, School of Medicine, São Paulo, Brazil.
Hannah PetersonLoma Linda University School of Medicine, Loma Linda, California, USA.
Edwin KorouriRosalind Franklin University of Medicine and Science, Chicago Medical School, North Chicago, Illinois, USA.
Farah NovoaDepartment of Dermatology, Jockey Salud Medical Center, Lima, Peru.
Hazel H OonDepartment of Dermatology, National Skin Centre, Singapore.
Min Zheng10) Dermatology Department, Second Affiliated Hospital, Zhejiang University, School of Medicine, Zhejiang, China.
Jashin J WuDepartment of Dermatology, University of Miami Miller School of Medicine, Miami, USA.
Jacob P ThyssenDepartment of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark. jacob.pontoppidan.
Alexander EgebergDepartment of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.
April W ArmstrongKeck School of Medicine, University of Southern California, Los Angeles, California, USA.
Mia-Louise NielsenDepartment of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Quality of life impairment in dermatology patients and severity of psoriasis are quantified by the Dermatology Life Quality Index (DLQI) and the Psoriasis Area and Severity Index (PASI), respectively. The aim of this study is to compare the correlation between PASI and DLQI in patients from different geographical areas and to identify predictors of high DLQI across geographical regions. Correlations between PASI and DLQI were evaluated using Spearman's rank correlation tests and quantile regression. The study included 1,158 patients with psoriasis, with a median (interquartile range) PASI and DLQI of 6.0 (3.0-12.0) and 8.0 (4.0-15.0), respectively. Correlations were demonstrated between PASI and DLQI, both overall and stratified by geographical region. Quantile (median) regression yielded coefficients of 0.75 (95% confidence interval (95% CI) 0.62, 0.88) for Switzerland, 0.50 (95% CI 0.42, 0.58) for Latin America, 0.34 (95% CI 0.16, 0.51) for Asia, and 0.31 (95% CI 0.08, 0.53) for the USA. Current age, age at diagnosis, sex, body mass index, and psoriasis arthritis affected DLQI in Latin America, while education had an impact among patients treated in Switzerland. Few countries were included within each continent; hence, more data from different countries are necessary for generalizability. The study showed correlations between PASI and DLQI among patients in all included geographical regions. The patients' characteristics affecting DLQI vary worldwide.

Indexed as

Arthritis, PsoriaticDermatologyPsoriasisCross-Sectional StudiesHumansQuality of Life

Identifiers

PMID38470165
PMCPMC10949083

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Registered trials

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.