Semiquantitative Evaluation of Extrasynovial Soft Tissue Inflammation in the Shoulders of Patients with Polymyalgia Rheumatica and Elderly-Onset Rheumatoid Arthritis by Power Doppler Ultrasound

Table 4

Distribution of GS and PD grades for three kinds of shoulder synovial pathologies.

	PMR				pm-EORA				Fisher’s exact test
Grade (score)	0	1	2	3	0	1	2	3		value
LHB GS (%)	20.0	46.7	30.0	3.3	30.0	26.7	26.7	16.7	0.176
LHB PD (%)	33.3	26.7	36.7	3.3	33.3	13.3	30.0	23.3	0.108
Bursa GS (%)	60.0	30.0	6.7	3.3	40.0	13.3	23.3	23.3	0.0157
Bursa PD (%)	76.7	10.0	13.3	0.0	46.7	16.7	20.0	16.7	0.0424
GHJ GS (%)	80.0	16.7	3.3	0.0	66.7	10.0	16.7	6.7	0.141
GHJ PD (%)	86.7	10.0	3.3	0.0	70.0	20.0	0.0	10.0	0.104

GHJ, glenohumeral joint; GS, gray scale; LHB, long head of biceps tendon sheath; PD, power Doppler; pm-EORA, elderly-onset rheumatoid arthritis with PMR-like onset; PMR, polymyalgia rheumatic.