From: Characterization of new bone formation in gout: a quantitative site-by-site analysis using plain radiography and computed tomography
Spur
Osteophyte
Periosteal NBF
Ankylosis
Sclerosis
Number of joints with CT erosion
0.88***
0.38
0.60**
0.67**
0.90***
Number of joints with CT intraosseous tophus
0.87***
0.31
0.56*
0.70***
0.82***