students who used the decision tree correctly diagnosed the following conditions more frequently than the control group : polymyalgia rheumatica ( p less than 0.05 ) , myopathies ( p less than 0.01 ) , systemic lupus erythematosus ( p less than 0.05 ) , pyrophosphate arthropathy ( p less than 0.05 ) , seronegative spondylarthropathies ( p less than 0.01 ) , intra-articular bleeding ( p less than 0.05 ) and traumatic synovitis ( p less than 0.05 ) .
C0032533
polymyalgia rheumatica
C0026848
myopathies