Skip to main content

Table 2 Interobserver agreement and concordance for physical examination (PE) tenderness and swelling assessment

From: Correlation and agreement between physical and ultrasound examination after a training session dedicated to the standardization of synovitis assessment in rheumatoid arthritis patients

Joint Inter-observer agreement and concordance
PE tenderness assessment PE swelling assessment
Fleiss kappa 95% CI p value Count Fleiss kappa 95% CI p value Count
Right shoulder 0.521 0.494–0.652 < 0.0001 83 0.249 0.124–0.322 0.0001 27
Left shoulder 0.446 0.198–0.546 < 0.0001 64 0.134 0.092–0.184 0.018 23
Right elbow 0.4 0.308–0.537 < 0.0001 71 0.146 0.092–0.287 0.012 69
Left elbow 0.403 0.258–0.446 < 0.0001 64 0.245 0.166–0.392 0.0001 79
Right wrist 0.392 0.263–0.548 < 0.0001 78 0.121 0.007–0.168 0.030 123
Left wrist 0.325 0.261–0.419 < 0.0001 72 0.042 − 0.192 to 0.234 0.259 145
Right MCP1 0.394 0.326–0.551 < 0.0001 50 − 0.166 − 0.178 to 0.151 0.995 134
Right MCP2 0.298 0.225–0.362 < 0.0001 53 0.13 0.109–0.140 0.023 158
Right MCP3 0.282 0.153–0.323 < 0.0001 49 0.218 0.070–0.292 0.0004 109
Right MCP4 0.297 0.235–0.379 < 0.0001 33 0.397 0.376–0.476 < 0.0001 53
Right MCP5 0.379 0.236–0.477 < 0.0001 36 0.306 0.272–0.387 < 0.0001 63
Left MCP1 0.304 0.187–0.394 < 0.0001 44 0.094 0.024–0.148 0.073 95
Left MCP2 0.444 0.391–0.619 < 0.0001 36 0.262 0.133–0.314 < 0.0001 110
Left MCP3 0.382 0.323–0.453 < 0.0001 41 0.27 0.268–0.334 < 0.0001 69
Left MCP4 0.315 0.086–0.375 < 0.0001 32 0.177 0.059–0.232 0.003 45
Left MCP5 0.353 0.183–0.569 < 0.0001 26 0.217 0.172–0.266 0.0004 71
Right PIP1 0.299 0.050–0.367 < 0.0001 22 0.128 0.087–0.227 0.023 53
Right PIP2 0.353 0.310–0.379 < 0.0001 28 0.042 0.015–0.094 0.258 95
Right PIP3 0.351 0.312–0.486 < 0.0001 30  − 0.017  − 0.102 to 0.113 0.603 118
Right PIP4 0.232 0.111–0.250 < 0.0001 28 0.074 0.037–0.117 0.126 82
Right PIP5 0.396 0.294–0.431 < 0.0001 26 0.245 0.091–0.318 0.244 48
Left PIP1 0.165 0.018–0.304 < 0.0001 21 0.02  − 0.203 to 0.242 0.376 39
Left PIP2 0.167 0.085–0.299 < 0.0001 24  − 0.061  − 0.236 to 0.2 0.827 50
Left PIP3 0.298 0.196–0.368 < 0.0001 35 0.077  − 0.071 to 0.219 0.116 101
Left PIP4 0.185 0.018–0.267 < 0.0001 31 0.121 0.056–0.197 0.030 74
Left PIP5 0.339 0.270–0.573 < 0.0001 18 0.113 0.041–0.267 0.040 46
Right knee 0.476 0.318–0.530 < 0.0001 48 0.428 0.295–0.525 < 0.0001 58
Left knee 0.379 0.350–0.471 < 0.0001 57 0.214 0.038–0.362 0.0005 62
Overall agreement (%) 0.449 (81.7%) 0.403–0.493 < 0.0001   0.227 (66%) 0.203–0.250 < 0.0001  
  1. MCP, metacarpophalangeal; PIP, proximal interphalangeal