Table 3.

The agreement between clinical findings and ultrasound detected inflammation, for wrist and finger joints

Joint	Number of joints				Agreement (%)	Kappa
	PE+/US+	PE+/US−	PE−/US+	PE−/US−
MCP1	37	69	25	385	81.78%	0.340*
MCP2	71	81	30	334	78.49%	0.426*
MCP3	58	70	21	367	82.36%	0.458*
MCP4	30	50	22	414	86.05%	0.379*
MCP5	39	54	28	395	84.11%	0.396*
PIP1	17	96	4	399	80.62%	0.199*
PIP2	15	137	7	357	72.09%	0.106*
PIP3	38	138	10	330	71.32%	0.226*
PIP4	26	108	9	373	77.33%	0.224*
PIP5	16	114	6	380	76.74%	0.148*
Wrist	237	41	107	131	71.32%	0.411*
Total	584	958	269	3865	78.38%	0.365*

Abbreviations: MCP metacarpophalangeal, PIP proximal interphalangeal, PE+ presence of tenderness or swelling by physical examination, US+ GS ≥ 1 or PD ≥ 1 for synovitis or tenosynovitis/peritendinitis

*p < 0.01