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Table 3 Within-person Pearson correlations between slopes of time-integrated disease activity as measured by DAS28-ESR (top diagonal) and CRP (bottom diagonal) and radiographic progression over time

From: Radiographic progression can still occur in individual patients with low or moderate disease activity in the current treat-to-target paradigm: real-world data from the Dutch Rheumatoid Arthritis Monitoring (DREAM) registry

 Baseline–6 months6 months–1 year1–2 years2–3 years
Baseline–6 months0.394***0.527***0.592***
6 months–1 year0.312***0.172*0.252**
1–2 years0.643***0.349***0.478***
2–3 years0.0330.0480.149
  1. *P < 0.05; **P < 0.01; ***P < 0.001