Table 2 Results of univariable and multivariable Cox regression in discovery cohort with clinically apparent inflammatory arthritis as outcome

 0 locations (negative MRI)

Ref

Ref

 1 or 2 locations

3.14 (1.40–7.04)

2.54 (1.11–5.82)

 3 or more locations

6.28 (2.77–14.2)

3.75 (1.49–9.48)

 Severe subclinical inflammation*

3.34 (1.48–7.54)

–

 MCP-extensor peritendinitis

7.85 (3.91–15.8)

4.38 (2.07–9.25)

 Combination of inflammatory lesion in wrist and MTPs

2.19 (1.15–4.16)

–

 PCA component 1

0.92 (0.88–0.96)

–

 PCA component 2

0.93 (0.83–1.04)

–