Table 1

 Number of colour Doppler positive joints before and after contrast injection

JointsBefore contrast injectionLevovistSonoVue
NS, non-significant.
*p⩽0.05; **p⩽0.01; ***p⩽0.001.
MCP (n = 55)1029***28***
Wrist, ulnar (n = 11)47 NS10**
Wrist, central (n = 11)810 NS10 NS
Wrist, radial (n = 11)21 NS7*