Score: Sanders classification

Use: Intra-articular fractures

Type I

Undisplaced fractures

Type II

Two-part or split fractures

Type III

Three-part or split depression fractures

Type IV

Four-part or highly comminuted articular fractures

Reference

Classification and Diagnosis in Orthopaedic Trauma. Editors: Rahij Anwar, Kenneth W. R. Tuson, Shah Alam Khan. Cambridge University Press, 2008