Figure 1 | Scientific Reports

Figure 1

From: Machine learning-based prediction of relapse in rheumatoid arthritis patients using data on ultrasound examination and blood test

Figure 1

Flow chart depicting patient selection. From 563 RA patients enrolled in the KURAMA cohort in 2015, 390 patients with available follow-up data in 2017 were selected. Next, 323 patients whose US data were available in 2015 were selected. Of the 323 patients, DAS28-CRP data in 2015 and 2017 were available in 293 patients and 81 patients with non-remission (DAS28-CRP ≥ 2.3) in 2015 were excluded. Two of the 212 patients in remission (DAS28-CRP < 2.3) in 2015 lacking the most blood test data (> 80%) were excluded. Finally, the remaining 210 patients were divided into Group 1 (patients with remission in 2017, n = 150) and Group 2 (patients with relapse in 2017, n = 60). KURAMA Kyoto University Rheumatoid Arthritis Management Alliance, US ultrasound, DAS28 disease activity score on 28 joints, CRP C-reactive protein.

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