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Table 2 Ultrasonic classification index (joint number: n = 1364)

From: Comparison of the clinical effectiveness of US grading scoring system vs MRI in the diagnosis of early rheumatoid arthritis (RA)

Ultrasonic indicators

Points

Constituent ratio

GSUS score

0

290 (21.26%)

 

1

285 (20.89%)

 

2

708 (51.91%)

 

3

81 (5.94%)

PDUS score

0

352 (25.81%)

 

1

652 (47.80%)

 

2

283 (20.75%)

 

3

77 (5.65%)

Bone erosion score

0

792 (58.06%)

 

1

306 (22.43%)

 

2

218 (15.98%)

 

3

48 (3.52%)

Tenosynovitis

0

938 (68.77%)

 

1

426 (31.23%)

Joint effusion

0

961 (70.45%)

 

1

403 (29.55%)

  1. GSUS gray-scale ultrasonography, PDUS power Doppler ultrasonography