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Table 3 The agreement between clinical findings and ultrasound detected inflammation, for wrist and finger joints

From: The agreement between ultrasound-determined joint inflammation and clinical signs in patients with rheumatoid arthritis

Joint Number of joints Agreement (%) Kappa
PE+/US+ PE+/US− PE−/US+ PE−/US−
MCP1 37 69 25 385 81.78% 0.340*
MCP2 71 81 30 334 78.49% 0.426*
MCP3 58 70 21 367 82.36% 0.458*
MCP4 30 50 22 414 86.05% 0.379*
MCP5 39 54 28 395 84.11% 0.396*
PIP1 17 96 4 399 80.62% 0.199*
PIP2 15 137 7 357 72.09% 0.106*
PIP3 38 138 10 330 71.32% 0.226*
PIP4 26 108 9 373 77.33% 0.224*
PIP5 16 114 6 380 76.74% 0.148*
Wrist 237 41 107 131 71.32% 0.411*
Total 584 958 269 3865 78.38% 0.365*
  1. Abbreviations: MCP metacarpophalangeal, PIP proximal interphalangeal, PE+ presence of tenderness or swelling by physical examination, US+ GS ≥ 1 or PD ≥ 1 for synovitis or tenosynovitis/peritendinitis
  2. *p < 0.01