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Table 2 Distribution of ultrasound findings

From: Absence of ultrasound inflammation in patients presenting with arthralgia rules out the development of arthritis

  US synovitisa, n (%) PD-positive, n (%)
IA (n = 31) Non-IA (n = 143) IA (n = 31) Non-IA (n = 143)
US-positive 17 (55) 45 (31) 9 (29) 17 (12)
 MCP 3 (10) 9 (6) 1 (3) 3 (2)
 PIP 3 (10) 1 (1) 2 (6) 0 (0)
 Wrists 8 (26) 35 (24) 4 (13) 15 (10)
 MTP 9 (29) 11 (8) 4 (13) 2 (1)
  1. Abbreviations: IA Inflammatory arthritis, MCP Metacarpophalangeal joint, MTP Metatarsophalangeal joint, PD Power Doppler, PIP Proximal interphalangeal joint, US Ultrasound
  2. aUS synovitis defined as greyscale grade 2 or 3 and/or presence of PD (≥ 1)