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Table 1 Disease activity measures used to ascertain high RA disease activity in the ANCHOR-RA study

From: Design of ANCHOR-RA: a multi-national cross-sectional study on screening for interstitial lung disease in patients with rheumatoid arthritis

Measure

Range

High RA disease activity

PAS score [39]

0 to 10

≥ 8.0 to ≤ 10.0

PAS-II score [39]

0 to 10

≥ 8.0 to ≤ 10.0

RAPID-3 score [40]

0 to 10

> 4 to ≤ 10

CDAI score [41]

0 to 76

> 22.0

DAS-28-ESR or DAS-28-CRP [42, 43]

0 to 9.4

> 5.1

SDAI score [44]

0 to 86

> 26

  1. CDAI, Clinical Disease Activity Index; DAS-28-ESR, Disease Activity Score with 28 joints using erythrocyte sedimentation rate; DAS-28-CRP, Disease Activity Score with 28 joints using C-reactive protein; PAS, Patient Activity Scale; RA, rheumatoid arthritis; RAPID-3, Routine Assessment of Patient Index Data 3; SDAI, Simple Disease Activity Index
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BMC Rheumatology

ISSN: 2520-1026

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