Table 1.

(abstract P9). Two Definitions for Ultrasound Active Joint Count

USAJC #1	Number of joints with evidence for any component of MSUS pathology (Synovial thickening, Joint Effusion or Hyperemia) > 1+ in any recess.
USAJC #2	Number of joints with evidence for Synovial Thickening (> 1+) with Hyperemia (> 1+) with or without Joint Effusion.