Table 2.

Overview of correlations of palmar and dorsal GSUS and PDUS with clinical criteria. Correlations in bold face are shown in Figure 4.

	Physician VAS	TJC-28	SJC-28	DAS28	CDAI	SDAI
Palmar
GSUS	0.521^***	0.411^**	0.692^***	0.527^***	0.619^***	0.639^***
PDUS	0.393^**	0.357^**	0.430^**	0.443^***	0.497^***	0.500^***
GSUS + PDUS	0.523^***	0.429^**	0.663^***	0.545^***	0.632^***	0.648^***
Dorsal
GSUS	0.535^***	0.192	0.715^***	0.435^**	0.528^***	0.571^***
PDUS	0.593^***	0.242^*	0.615^***	0.514^***	0.550^***	0.595^***
GSUS + PDUS	0.576^***	0.212	0.696^***	0.484^***	0.551^***	0.599^***

↵*** p < 0.0001;
↵** p < 0.01;
↵* p < 0.05.
Physician VAS: physician global assessments on visual analog scale; TJC-28: 28-joint tender joint count; SJC-28: 28-joint swollen joint count; GSUS: greyscale ultrasound; PDUS: power Doppler ultrasound; DAS28: 28-joint Disease Activity Score; CDAI: Clinical Disease Activity Index; SDAI: Simplified Disease Activity Index.