Rheumatoid arthritis

Poor prognostic factors independently impact remission and treatment escalation in rheumatoid arthritis regardless of disease activity: A nationwide prospective cohort study

Joint Bone SpinePublished Prospective cohort study

Main finding · Point Boolean-based remission in 5-year (moderately-to-highly active patients at baseline)Result — go to the resultHR for attaining point Boolean-based remission 0.55 95% CI 0.38–0.79

Authors' conclusion

Achieving remission was particularly challenging for group H, and more patients in groups M and H initiated b/tsDMARDS during the 5-year observation period.

Study context

Population
Patients with rheumatoid arthritis (RA) in the Korean KORONA database; Poor prognostic factors (PPFs): functional limitation, extra-articular disease, seropositivity, bone erosions
Participants
5,076 patients
Exposure
RA patients by number of poor prognostic factors: ≥3 and 2 vs 0-1
  • Group Ln = 1,788reference
  • Group Mn = 2,027
  • Group Hn = 1,261
Outcome
Achieving remission and initiating b/tsDMARDs
Follow-up
5-year
Methodological detailsnationwide, Cox proportional hazard regression adjusted for confounders
  • Nationwide
  • Cox proportional hazard regression adjusted for confounders

Main finding

As reported in the abstract

Point Boolean-based remission in 5-year (moderately-to-highly active patients at baseline)

HR for attaining point Boolean-based remission

0.55

95% CI 0.38–0.79

Group Hvs Group L
HR for attaining point Boolean-based remission 0.55 (95% CI 0.38–0.79)

Observational data: associations, not effects.

Further findings

OutcomeEstimate
Sustained Boolean-based remission in 5-year (moderately-to-highly active patients at baseline)Group Hvs Group LGroup H significantly less likely to attain remissionHR for attaining sustained Boolean-based remission 0.45 (95% CI 0.21–0.99)
Escalation to b/tsDMARDs (b/tsDMARD-naïve patients at baseline)Group Mvs Group LHR for escalation to b/tsDMARDs 1.47 (95% CI 1.10–1.96)
Escalation to b/tsDMARDs (b/tsDMARD-naïve patients at baseline)Group Hvs Group LHR for escalation to b/tsDMARDs 1.69 (95% CI 1.22–2.32)

Original publication

Poor prognostic factors independently impact remission and treatment escalation in rheumatoid arthritis regardless of disease activity: A nationwide prospective cohort study. Joint Bone Spine. Published 24 October 2024. doi:10.1016/j.jbspin.2024.105798

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