Table 2

Parameters at US assessment of patients with RA in remission, patients with RA in LDA and patients with PsA in remission at study entry

	Remission RA cohort (n=25)	LDA RA cohort (n=10)	Remission PsA cohort (n=18)	p Value*	p Value**
Wrist
RC SH, mm (mean±SD)	1.53±0.88	1.54±1.06	1.31±0.61	0.98	0.37
RC SH score (mean±SD)	0.36±0.64	0.50±0.70	0.22±0.55	0.57	0.46
IC SH, mm (mean±SD)	2.39±1.14	2.75±1.33	2.74±0.54	0.43	0.23
IC SH score (mean±SD)	0.76±0.78	1.10±0.99	0.62±0.41	0.29	0.49
MCP-PIP (dorsal view)
II MCP SH, mm (mean±SD)	0.61±0.49	0.65±0.77	0.43±0.35	0.85	0.19
II MCP SH score (mean±SD)	0.50±0.51	0.67±0.50	0.51±0.48	0.44	0.95
III MCP SH, mm (mean±SD)	0.68±0.64	0.69±0.94	0.55±0.38	0.97	0.45
III MCP SH score (mean±SD)	0.75±0.53	0.78±0.67	0.54±0.52	0.89	0.20
II PIP SH, mm (mean±SD)	0.78±0.42	0.74±0.27	0.60±0.30	0.78	0.13
II PIP SH score (mean±SD)	0.38±0.67	0.10±0.20	0.34±0.36	0.21	0.45
III PIP SH, mm (mean±SD)	0.83±0.32	0.75±0.29	0.57±0.26	0.50	0.10
III PIP SH score (mean±SD)	0.22±0.43	0.25±0.46	0.23±0.44	0.62	0.98
MCP-PIP (volar view)
II MCP SH, mm (mean±SD)	0.45±0.53	0.84±0.71	0.47±0.54	0.10	0.91
II MCP SH score (mean±SD)	0.41±0.59	0.78±0.64	0.46±0.66	0.11	0.88
III MCP SH, mm (mean±SD)	0.43±0.47	0.20±0.21	0.39±0.43	0.15	0.91
III MCP SH score (mean±SD)	0.38±0.59	0.25±0.46	0.23±0.44	0.53	0.60
II PIP SH, mm (mean±SD)	0.79±0.54	0.51±0.45	0.63±0.36	0.16	0.54
II PIP SH score (mean±SD)	0.33±0.64	0.23±0.35	0.21±0.47	0.64	0.80
III PIP SH, mm (mean±SD)	0.76±0.37	0.61±0.53	0.57±0.38	0.35	0.61
III PIP SH score (mean±SD)	0.38±0.49	0.33±0.50	0.27±0.43	0.91	0.56
Knee
knee SH, mm (mean±SD)	6.50±2.91	8.01±2.59	5.50±2.41	0.16	0.34
MTP
II MTP SH, mm (mean±SD)	0.73±0.43	0.60±0.29	0.88±0.71	0.39	0.82
V MTP SH, mm (mean±SD)	0.30±0.34	0.30±0.36	0.37±0.44	0.99	0.87

p*: Patients with RA in remission versus patients with RA in LDA; p**: Patients with RA in remission versus patients with PsA in remission.
IC, intercarpal joint; LDA, low disease activity; MCP, metacarpal–phalangeal joint; MTP, metatarsal–phalangeal joint; PIP, proximal interphalangeal joint; PsA, psoriatic arthritis; RA, rheumatoid arthritis; RC, radiocarpal joint; SH, synovial hypertrophy; US, ultrasound assessment.