Table 1.

International Working Group on the Diabetic Foot risk classification system

Group	Definition	Ulcer risk	Screening
0	No LOPS and no PAD	Very low	Once a year
1	LOPS or PAD	Low	Once every 6-12 mo
2	LOPS + PAD or LOPS + FD or PAD + FD	Moderate	Once every 3-6 mo
3	LOPS or PAD with one or more of the following: (1) History of a foot ulcer; (2) A lower extremity amputation (major or minor); and (3) ESRD	High	Once every 1-3 mo

LOPS: Loss of protective sensation; PAD: Peripheral artery disease; FD: Foot deformity; ESRD: End-stage renal disease.