Table 4.

The predicted probability of ulcer recurrence within 18 months using model 1 (all recurrent foot ulcers) and model 2 (all recurrent plantar foot ulcers) for two characteristic persons with diabetes using synthesized data

	Person A	Person B
Model 1
Age (years)	50	80
Severity of peripheral sensory neuropathy	Severe	Mild
Months since healing of previous ulcer	3	24
Minor lesions	Yes	No
Walking aid	No	Yes
At-home foot temperature monitoring	Yes	No
Probability of ulcer recurrence (95% CI)	0.60 (0.54 to 0.66)	0.08 (0.04 to 0.13)
Model 2
Age (years)	50	80
Plantar location of previous ulcer	Yes	No
Months since healing of previous ulcer	3	24
Minor lesions	Yes	No
Walking aid	No	Yes
Alcohol consumption	No	Yes
Care center
University medical center	University medical center
Community hospital
Podiatry practice		Podiatry practice
Probability of ulcer recurrence (95% CI)	0.47 (0.38 to 0.56)	0.06 (0.04 to 0.10)