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Table 4 Comparison of GSUS and PDUS in the evaluation of synovitis

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

Ultrasonic indicators Positive/negative Positive rate χ 2 P
GSUS 1074/290 78.74% 7.83 < 0.05
PDUS 1012/352 74.20%