FOI | US/PD | ||||||||
---|---|---|---|---|---|---|---|---|---|
Any signal (n = 947) | Composite image (n = 530) | Phase 1 (n = 396) | Phase 2 (n = 783) | Phase 3 (n = 180) | Any signal (n = 527) | Effusion (n = 430) | Synovitis (n = 375) | Hyperperfusion (n = 120) | |
Signal in clinically active joints (n = 519) | 320 (33.8%/61.7%)a | 205 (38.7%/39.5%) | 161 (40.7%/31.0%) | 277 (35.4%/53.4%) | 81 (45.0%/15.6%) | 239 (45.4%/46.0%) | 211 (49.1%/40.7%) | 164 (43.7%/31.6%) | 47 (39.2%/9.0%) |
Signal in clinically inactive joints (n = 2451) | 627 (66.2%/25.6%) | 325 (61.3%/13.3%) | 235 (59.3%/9.6%9) | 506 (64.6%/20.6%) | 99 (55.0%/4.0%) | 288 (54.6%/11.8%) | 219 (51.0%/8.9%) | 211 (56.2%/8.6%) | 73 (60.8%/3.0%) |