Table 4 Demonstration of the distribution of pathology by joint. Numbers represent the number of joints with pathology detected at each joint site (the maximum number of joints that could be affected at any site is seven, as seven subjects were examined)

Joint	Grey-scale synovitis (n)	Power Doppler signal (n)	Osteophytes (n)
CMC1	4	3	5
MCP1	2	1	3
MCP2	3	0	3
MCP3	1	0	1
MCP4	1	0	1
MCP5	1	0	2
PIP1	6	2	7
PIP2	6	3	7
PIP3	6	3	7
PIP4	6	2	7
PIP5	6	2	7
DIP2	5	3	7
DIP3	4	2	7
DIP4	5	2	7
DIP5	4	1	7

CMC, carpometacarpal; MCP, metacarpal; PIP, proximal interphalangeal; DIP, distal interphalangeal.