Description

Chappell et al reported a simple clinical prediction rule for predicting the risk of diabetic food ulceration. The same predictors can be combined a simple score. The authors are from multiple institutions in Scotland, England, the United States, and Portugal.


PODUS = Prediction Of Diabetic foot UlcerationS (project to predict diabetic foot ulcers)

 

Patient selection: diabetic without current foot ulceration

 

Parameters:

(1) sensitivity of testing to 10 g monofilament

(2) pedal pulses (dorsalis pedis, posterior tibial)

(3) history of previous ulcer or amputation

 

Parameter

Finding

Points

10 g monofilament test

sensitive

0

 

insensitive

1.11

pedal pulse

all present

0

 

any absent

0.70

history of ulcer or amputation

no

0

 

yes

1.95

 

value of X =

= SUM(points for all of the parameters) - 3.81

 

probability of foot ulcer within 2 years =

= 1 / ( 1 + EXP((-1) * X))


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