Research Article

Risk Factors for Predicting Mortality and Amputation of Patients with Necrotizing Soft-Tissue Infections: Retrospective Analysis of 111 Cases from a Single Medical Center

Table 11

ROC comparison of amputation NSTI.

ROC comparison and Mann–Whitney test
ComparisonEstimateSD95% CIχ2 value

Model-0.50.35350.03900.27710.429982.3149<0.0001
Age-0.50.21260.05330.10820.317015.9265<0.0001
Hb-0.50.18100.05350.07610.285911.43900.0007
Wounds-0.50.25700.04440.16990.344033.4975<0.0001

NSTIs, necrotizing soft-tissue infections; ROC, receiver operating characteristics; SD, standard derivation; CI, confidence interval; Hb, hemoglobin.