Use of rheumatoid arthritis impact of disease (RAID) in routine care; identification of DAS28 remission and unmet patient-reported outcomes

Jatin Mistry, Mohammed Sharif, Amy Prideaux, Catherine Smith, Malama Sumbwanyambe, Margaret Sibley, Lewis Carpenter, Melissa Sweeney, Patrick Kiely*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


Objective. The aim was to assess how the patient-reported outcome RA impact of disease (RAID) relates to DAS28 categories in routine care, its utility in identifying patients in DAS28 remission (RDAS) or low disease activity (LDAS) and the burden of unmet patient-reported needs in those achieving RDAS/LDAS. Methods. DAS28 and RAID scores were collected from patients with established RA attending for routine review. The relationship between RAID and DAS28 was assessed with univariate pairwise correlation and mixed-effects linear regression analyses. RAID <2 was defined as a patient-acceptable state. Results. One hundred and ninety-eight patients were assessed, with 220 observations, using DAS28- CRP categories: 47.5% RDAS, 14.1% LDAS, 31.8% moderate DAS (MDAS) and 6.6% high DAS (HDAS). Both patient visual analog scale score and tender joint count exhibited a high statistical association with RAID using linear regression (P<0.0001). The mean RAID score per DAS28-CRP category was RDAS 1.84, LDAS 4.78, MDAS 5.60 and HDAS 7.68, with a statistically significant increase in RAID per unit increase in DAS-CRP or DAS28-ESR on linear regression (P <0.001). Of 66 patients with RAID <2, 64 (97%) were in RDAS and 65 (98.5%) in RDAS/LDAS. Of 134 patients in RDAS/ LDAS, RAID was _2 in 69 (51.5%), with fatigue and sleep being the worst-scoring domains. Conclusion. RAID functions well as a patient-reported outcome in routine care. Patients with RAID <2 have a high likelihood of being in RDAS/LDAS and, if pre-screened, could avoid a clinic visit. Analysis of RAID domains provides individualized targets for holistic care in RA management, with fatigue and sleep problems dominating unmet needs in those in RDAS/LDAS.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalRheumatology Advances in Practice
Issue number2
Publication statusPublished - 2020


  • Disease activity score
  • Patient-reported outcomes
  • RAID
  • Rheumatoid arthritis


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