Table 3

Value of weighted κ and percentage of joints in which observers agreed, for separate joints in 39 patients. Left and right side of the body were summed. Agreement is considered poor if κ<0.20, fair if 0.21–0.40, moderate if 0.41–0.60, good if 0.61–0.80, very good if 0.81–1.00

	Observer 1 v 2		Observer 1 v 3		Observer 2 v 3
Joint type	κ	% Agreed	κ	% Agreed	κ	% Agreed
Cervical spine	0.60	87	0.54	85	0.80	92
Shoulder	0.83	92	0.64	82	0.72	87
Elbow	0.72	82	0.72	82	0.85	90
Wrist	0.59	67	0.66	70	0.56	67
MCP 1	0.49	85	0.30	86	0.22	83
MCP 2	0.75	85	0.57	77	0.64	79
MCP 3	0.70	85	0.59	81	0.75	87
MCP 4	0.61	85	0.51	79	0.83	92
MCP 5	0.63	86	0.50	79	0.66	85
PIP 1	0.49	92	0.37	86	0.42	88
PIP 2	0.49	82	0.51	81	0.39	81
PIP 3	0.46	77	0.46	77	0.36	77
PIP 4	0.39	82	0.36	83	0.45	87
PIP 5	0.75	94	0.39	87	0.31	85
Hip	0.69	87	0.82	94	0.85	94
Knee	0.79	94	0.76	92	0.76	91
Ankle	–	96	0.15	85	–	87
MTP	0.79	82	0.78	79	0.78	79