Table 5.

The IWGDF Risk Stratification System*

Risk Category	Ulcer Risk	Characteristics
0	Very low	No LOPS + No PAD
1	Low	LOPS OR PAD
2	Moderate	LOPS + PAD OR LOPS + Foot deformity OR PAD + Foot deformity
3	High	LOPS OR PAD AND one or more of the following: • history of a foot ulcer • a lower-extremity amputation (minor or major) • end-stage renal disease

Note: IWGDF International Working Group on the Diabetic Foot, LOPS Loss of protective sensation, PAD Peripheral artery disease

*Adapted from: Bus SA, Lavery LA, Monteiro-Soares M, Rasmussen A, Raspovic A, Sacco ICN, et al. Guidelines on the prevention of foot ulcers in persons with diabetes (IWGDF 2019 update). Diabetes Metab Res Rev. 2020;36(Suppl 1):e3269. Pp 3