Trial report in Pain medicine (Malden, Mass.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
0numbers the graph read from it
0cells of the map it votes in
1citing 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.
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
14 authors.
Scott G RavytsDepartment of Psychological Science, University of North Carolina at Charlotte, Charlotte, NC 28223, United States.ORCID 0009-0008-0958-0802
Timothy R FleagleDepartment of Physical Therapy and Rehabilitation Science, University of Iowa Carver College of Medicine, Iowa City, IA 52242, United States.
Elena StaguhnDepartment of Health Policy and Management, Johns Hopkins School of Public Health, Baltimore, MD 21205, United States.
Daniel ScharfsteinDepartment of Health Population Sciences, University of Utah School of Medicine, Salt Lake City, UT 84132, United States.ORCID 0000-0001-7482-9653
Rachel V AaronDepartment of Physical Medicine & Rehabilitation, Johns Hopkins School of Medicine, Baltimore, MD 21205, United States.ORCID 0000-0002-2182-8566
Steven Paul CohenDepartments of Anesthesiology, Neurology, Physical Medicine and Rehabilitation, Psychiatry, and Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, United States.ORCID 0000-0001-5928-2127
Robert W HurleyDepartments of Anesthesiology, Translational Neuroscience, and Public Health, Wake Forest University School of Medicine, Winston-Salem, NC 27101, United States.
Srinivasa N RajaDepartment of Anesthesiology and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21205, United States.
Jennifer HaythornthwaiteDepartment of Psychiatry & Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD 21205, United States.
Lauren AllenDepartment of Health Policy and Management, Johns Hopkins School of Public Health, Baltimore, MD 21205, United States.
Robert R EdwardsDepartment of Anesthesiology, Perioperative & Pain Medicine, Harvard Medical School/Brigham & Women's Hospital, Boston, MA 02115, United States.
Lars Arendt-NielsenCenter for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, School of Medicine, Aalborg University, 9220 Aalborg Øst, Denmark.ORCID 0000-0003-0892-1579
Claudia M CampbellDepartment of Psychiatry & Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD 21205, United States.ORCID 0000-0002-5420-4207
Renan CastilloDepartment of Health Policy and Management, Johns Hopkins School of Public Health, Baltimore, MD 21205, United States.
Funding
HEAL Clinical Coordinating Resource Center for the Pain Management Effectiveness Research NetworkU24TR004314 · NCATS · DUKE UNIVERSITY · PI BENJAMIN, DANIEL K., GREENBERG, RACHEL G · 2022 to 2025
$10.8M
Pain in community-based older African American Adults: The Jackson Heart StudyR01AG066914 · NIA · BOSTON UNIVERSITY MEDICAL CAMPUS · PI BENJAMIN, EMELIA J., EDWARDS, ROBERT R · 2020 to 2024
$3.2M
Optimizing pain-related outcomes following orthopedic trauma: testing novel risk factors and determining the feasibility of a new pain psychology interventionK23HD104934 · NICHD · JOHNS HOPKINS UNIVERSITY · PI Rachel V. Aaron · 2022 to 2026
$756k
Mentorship of Junior Investigators on HEAL-SKOAPK24AR081143 · NIAMS · JOHNS HOPKINS UNIVERSITY · PI CAMPBELL, CLAUDIA MICHELLE · 2021 to 2021
$324k
C4PainClinical Coordinating Center U24TR001597Clinical Coordinating Resource Center U24004315Danish National Research Foundation DNRF121Data Coordinating Center U24TR001579Data Coordinating Resource Center U24TR004316HEAL Pain Management Effectiveness Research Network U24TR004314NCATSNCATS NIH HHS U24 TR004314NIA NIH HHS R01 AG066914NIH HHS K23HD104934NIH HHS K24 AR081143NIH HHS UH3AR77360Recruitment Innovation Center U24TR001609Recruitment Resource CenterStatistical and Safety Resource Center U24TR004317Statistical Coordinating CenterTrial Innovation Network U24TR001608
6 · The paper itself
Abstract
objectivesThe current study sought to evaluate the psychometric properties of a newly developed Knee OsteoArthritis Pain Index (KOAPI), derived from the Brief Pain Inventory (BPI), among individuals with knee osteoarthritis (KOA).
methodsThis study consisted of secondary data analysis of two clinical trials. In study 1, 241 individuals with KOA were evaluated before total knee arthroplasty and six months post-surgery. In study 2, 37 individuals with KOA participated in a randomized, double-blind, placebo controlled, two-way crossover study in which they received either a COX-2 inhibitor followed by a placebo or a placebo followed by a COX-2 inhibitor. The KOAPI was derived from the BPI and included three BPI pain severity items (worst, average, current) and the BPI pain interference item related to pain when walking.
resultsThe KOAPI showed excellent model fit (CFI = 0.99; TFI: 0.98-0.99; RMSEA: 0.08-0.001), good reliability (Cronbach's alpha: 0.84-0.87) and high convergent validity with the Western Ontario and McMaster Universities Osteoarthritis Index (r = 0.66; 95% CI: 0.44, 0.81) and the Pain Catastrophizing Scale (r = 0.50; 95% CI: 0.39, 0.60).
conclusionsOverall, the psychometric properties of the KOAPI were comparable or better than those produced by the original BPI pain severity subscale. The KOAPI may be a helpful screening and outcome measure for individuals with KOA that more closely captures symptoms which drive patients to seek clinical care.
Indexed as
Osteoarthritis, KneePain MeasurementPsychometricsAgedCross-Over StudiesCyclooxygenase 2 InhibitorsDouble-Blind MethodFemaleHumansMaleMiddle AgedReproducibility of ResultsSeverity of Illness IndexCyclooxygenase 2 Inhibitorskneeosteoarthritispainpsychometrics
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.
Psychometric properties of the knee osteoarthritis pain index. · full record | OpenQuestion