Table 2 Association of BMI with MRI-detected inflammation in patients with RA, early arthritis patients with other arthritides, and asymptomatic volunteers

 BMI

0.97 (0.94–1.00)

0.024

1.082 (1.041–1.13)

<0.001

1.029 (1.001–1.057)

0.040

  BMI

0.96 (0.94–0.99)

0.005

1.036 (1.00–1.075)

0.054

1.022 (1.001–1.044)

0.040

  Age

1.025 (1.017–1.033)

< 0.001

1.033 (1.024–1.041)

< 0.001

1.031 (1.025–1.036)

< 0.001

  Gender

1.13 (0.89–1.44)

0.30

0.88 (0.67–1.15)

0.34

1.010 (0.84–1.21)

0.92

  BMI

0.96 (0.94–0.99)

0.003

1.039 (1.001–1.078)

0.043

NA

  Age

1.022 (1.014–1.030)

< 0.001

1.030 (1.021–1.039)

< 0.001

NA

  Gender

1.12 (0.89–1.41)

0.35

0.93 (0.71–1.23)

0.62

NA

  CRP

1.007 (1.003–1.012)

0.001

1.002 (0.998–1.006)

0.29

NA

  ACPA positivity

0.96 (0.77–1.20)

0.72

1.55 (0.75–3.20)

0.24

NA