Figure 3.

Risk metric calculation tool (includes MSUS parameter). Revised risk metric calculation tool for use in clinical practice, derived from baseline variables that included musculoskeletal ultrasound (MSUS) parameters; an assessment of grey-scale synovitis is a required component of the resultant risk metric.

Pratt et al. Arthritis Research & Therapy 2013 15:R118   doi:10.1186/ar4298
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