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Table 2 The association of intermetatarsal and submetatarsal lesions with early RA compared to other early arthritides

From: Increased frequency of intermetatarsal and submetatarsal bursitis in early rheumatoid arthritis: a large case-controlled MRI study

  Participants with MRI features, n (%) Univariable analyses Multivariable analysis1 Multivariable analyses2
RA Other arthritides OR (95% CI) P value OR (95% CI) P value OR (95% CI) P value
Intermetatarsal bursitis 109 (69) 84 (30) 5.4 (3.5–8.3) < 0.001 4.5 (2.7–7.8) < 0.001 3.7 (2.1–6.6) < 0.001
Submetatarsal bursitis 39 (25) 17 (6) 5.2 (2.8–9.5) < 0.001 2.2 (1.03–4.5) 0.041 2.3 (1.1–4.8) 0.031
Morton’s neuroma 30 (19) 10 (4) 6.7 (3.2–14.2) < 0.001 3.1 (1.3–7.7) 0.012
Diffuse submetatarsal alterations 36 (23) 45 (16) 1.6 (0.9–2.6) 0.067 0.9 (0.5–1.8) 0.86
  1. The results of logistic regression analyses are presented. RA rheumatoid arthritis, OR odds ratio, CI confidence interval
  2. 1Multivariable model including intermetatarsal bursitis, submetatarsal bursitis, age, gender, anti-CCP, and RAMRIS inflammation (defined as the presence of synovitis, tenosynovitis, and/or osteitis)
  3. 2Multivariable model including intermetatarsal bursitis, submetatarsal bursitis, Morton’s neuroma, diffuse submetatarsal alterations, age, gender, BMI, anti-CCP antibodies, and RAMRIS inflammation