BACKGROUND: Infections in persons with diabetes are increasingly common problem and are associated with potentially serious sequelae. Diabetic foot infection (DFIs) is one of the dreaded complication of diabetes. Many diabetic foot classification schemes have been formulated, however not all of them offered an extensive scoring system. The International Working Group on Diabetic Foot has developed, PEDIS (Perfusion, Extent, Depth, Infection, Sensation) classification. However, it has not yet been extensively studied in predicting surgical management among patients with Diabetic foot infection (DFIs).
OBJECTIVE: This study aimed to establish the validity of PEDIS classification as a prognosticating tool in determining the outcome for Diabetic Foot patients admitted at the Visayas Community Medical Center.
DESIGN: Prospective cross sectional validity study of PEDIS Risk Classification tool using actual surgical management as gold standard.
SUBJECTS: All diabetic foot patients admitted at the Visayas Community Medical Center
DATA COLLECTION PROCEDURE: The data were purposively collected as follows. Identified patient was enlightened about the study, its aims, and the maneuvers to be done. After which, informed consent was signed by the patient. Thorough history and physical examination were done to the candidate patient. Guided by the checklist, appropriate data was collected. All data gathered will be encoded in MSEXCEL 2013. Chi square test was performed to establish the associations among PEDIS risk classifications and actual surgical management. 2x2 Fisher Exact Test was also performed to test the associations between variables with 2x2 categories.
RESULTS:  Accuracy of PEDIS Classifications revealed that a score of 2 yielded higher sensitivity of 100% and specificity of 66.7% in predictive debridement, while a score of 3 was accurate in predicting BKA (sensitivity of 100% and specificity of 64.3%), and a score of 4 generated higher accuracy in predicting BKA (sensitivity of 100% and specificity of 60%) and AKA (sensitivity of 100% and specificity of 46.2%).
CONCLUSION: The PEDIS Classifications demonstrated clinically acceptable accuracy in predicting surgical management of patients with Diabetic foot infection (DFIs). The classification also indicated that the higher the PEDIS score, the more complex the surgical procedure.