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Table 3 The correlation coefficient between each descriptor for suspected “clean” margins and confirmed clean histopathological proximal bone

From: Making the equivocal unequivocal: standardization of clean margins in diabetic foot osteomyelitis

Clean Bone
DescriptorR ValueAssociationp value
Anatomic Structure0.03None-to-weak> 0.05
Density0.09Weak< 0.01*
Vascular Thrombosis0.15Weak< 0.01*
Draining Sinus0.2Weak> 0.05
Color0.35Weak-Moderate< 0.001*
Density + Bleeding or Color0.65Moderate-Strong< 0.01*
  1. * indicates a significant p-value