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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

Descriptor

R Value

Association

p value

Anatomic Structure

0.03

None-to-weak

> 0.05

Density

0.09

Weak

< 0.01*

Vascular Thrombosis

0.15

Weak

< 0.01*

Draining Sinus

0.2

Weak

> 0.05

Color

0.35

Weak-Moderate

< 0.001*

Density + Bleeding or Color

0.65

Moderate-Strong

< 0.01*

  1. * indicates a significant p-value