Evidence map›Paper›PMID 24052326›Full record

Trial reportQuality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation2014

Equivalence and measurement properties of an electronic version of the Psoriasis Symptom Inventory.

Donald M Bushnell, Mona L Martin, Michael Scanlon, Techieh Chen, Dina Chau, Hema N Viswanathan

Abstract readMulticenter StudyRandomized Controlled TrialValidation Study
PubMed Publisher
In one paragraph

Trial report in Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

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

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Patient-Reported Outcomes in Psoriatic Arthritis.Rheumatic diseases clinics of North America · 2016
    Review
  6. 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

6 authors.

Donald M BushnellHealth Research Associates, Inc., 6505 216th St. SW, Suite 105, Mountlake Terrace, WA, 98043, USA, bushnell@hrainc.net.
Mona L Martin
Michael Scanlon
Techieh Chen
Dina Chau
Hema N Viswanathan

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo evaluate the equivalence of electronic and paper versions of the Psoriasis Symptom Inventory and to examine measurement properties of the electronic version.

methodsIn a prospective, randomized, crossover, non-interventional study in adult subjects (age ≥18 years) with plaque psoriasis conducted over a period of 15 days, subjects were randomized to two groups, completing either the paper or electronic Psoriasis Symptom Inventory daily for 7 consecutive days followed by the alternate version. Equivalence was assessed by the intraclass correlation coefficient (ICC) between both administration modes. Differences in scores were also tested using paired Student's t test. Measurement properties included internal consistency reliability, test-retest reliability, and convergent and discriminant validity between the Psoriasis Symptom Inventory and (1) disease-specific (Dermatology Life Quality Index) and (2) general health (SF-36v2) status.

resultsEighty subjects [74 % (59/80) moderate-to-severe psoriasis; 26 % (21/80) mild psoriasis receiving systemic treatment] were enrolled from 8 sites in the USA. The two modes were highly concordant for both total (ICC = 0.97) and individual item scores (ICC range = 0.93-0.97). Response bias testing showed no differences based on completion order with all ICC values >0.91. All mean score differences, except for one item ("flaking"), were non-significant (P > 0.05). Minimum values for reliability (>0.70) and validity (convergent, r ≥ 0.40) were exceeded for the electronic Psoriasis Symptom Inventory.

conclusionsEquivalence between paper and electronic versions of the Psoriasis Symptom Inventory and strong measurement properties of the electronic mode indicated a successful migration from paper to electronic format of the Psoriasis Symptom Inventory.

Indexed as

Online SystemsPatient Outcome AssessmentSickness Impact ProfileAdolescentAdultAgedCross-Over StudiesFemaleHumansInterviews as TopicMaleMiddle AgedPaperProspective StudiesPsoriasisPsychometrics

Identifiers

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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.