Novel Composite Radiographic Score for Longitudinal Observational Studies of Psoriatic Arthritis: A Proof-of-concept Study

William Tillett, Gavin Shaddick, Deepak Jadon, Graham Robinson, Eleanor Korendowych, Neil McHugh

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Abstract

OBJECTIVE: To devise a feasible composite radiographic score for use in observational studies of psoriatic arthritis (PsA).

METHODS: Radiographs from 50 patients with PsA were evaluated with the PsA-modified Sharp, Sharp/van der Heijde (SvdH), and Ratingen scores. Data reductions were made to devise a concise score.

RESULTS: The Reductive X-ray Score for Psoriatic Arthritis (ReXSPA) required the assessment of only 22 joints (117 points), including erosion, joint space narrowing, and osteoproliferation in the hands and feet. The ReXSPA accounted for 80% of change detected with the SvdH score.

CONCLUSION: We report a proof-of-concept radiographic score for observational studies derived though data reduction.

Original languageEnglish
JournalThe Journal of Rheumatology
DOIs
Publication statusPublished - 15 Jan 2016

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Psoriatic Arthritis
Observational Studies
Longitudinal Studies
Joints
X-Rays
Foot
Hand

Cite this

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title = "Novel Composite Radiographic Score for Longitudinal Observational Studies of Psoriatic Arthritis: A Proof-of-concept Study",
abstract = "OBJECTIVE: To devise a feasible composite radiographic score for use in observational studies of psoriatic arthritis (PsA).METHODS: Radiographs from 50 patients with PsA were evaluated with the PsA-modified Sharp, Sharp/van der Heijde (SvdH), and Ratingen scores. Data reductions were made to devise a concise score.RESULTS: The Reductive X-ray Score for Psoriatic Arthritis (ReXSPA) required the assessment of only 22 joints (117 points), including erosion, joint space narrowing, and osteoproliferation in the hands and feet. The ReXSPA accounted for 80{\%} of change detected with the SvdH score.CONCLUSION: We report a proof-of-concept radiographic score for observational studies derived though data reduction.",
author = "William Tillett and Gavin Shaddick and Deepak Jadon and Graham Robinson and Eleanor Korendowych and Neil McHugh",
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TY - JOUR

T1 - Novel Composite Radiographic Score for Longitudinal Observational Studies of Psoriatic Arthritis

T2 - A Proof-of-concept Study

AU - Tillett, William

AU - Shaddick, Gavin

AU - Jadon, Deepak

AU - Robinson, Graham

AU - Korendowych, Eleanor

AU - McHugh, Neil

PY - 2016/1/15

Y1 - 2016/1/15

N2 - OBJECTIVE: To devise a feasible composite radiographic score for use in observational studies of psoriatic arthritis (PsA).METHODS: Radiographs from 50 patients with PsA were evaluated with the PsA-modified Sharp, Sharp/van der Heijde (SvdH), and Ratingen scores. Data reductions were made to devise a concise score.RESULTS: The Reductive X-ray Score for Psoriatic Arthritis (ReXSPA) required the assessment of only 22 joints (117 points), including erosion, joint space narrowing, and osteoproliferation in the hands and feet. The ReXSPA accounted for 80% of change detected with the SvdH score.CONCLUSION: We report a proof-of-concept radiographic score for observational studies derived though data reduction.

AB - OBJECTIVE: To devise a feasible composite radiographic score for use in observational studies of psoriatic arthritis (PsA).METHODS: Radiographs from 50 patients with PsA were evaluated with the PsA-modified Sharp, Sharp/van der Heijde (SvdH), and Ratingen scores. Data reductions were made to devise a concise score.RESULTS: The Reductive X-ray Score for Psoriatic Arthritis (ReXSPA) required the assessment of only 22 joints (117 points), including erosion, joint space narrowing, and osteoproliferation in the hands and feet. The ReXSPA accounted for 80% of change detected with the SvdH score.CONCLUSION: We report a proof-of-concept radiographic score for observational studies derived though data reduction.

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U2 - 10.3899/jrheum.150114

DO - 10.3899/jrheum.150114

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JO - The Journal of Rheumatology

JF - The Journal of Rheumatology

SN - 0315-162X

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