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 3

Image studies in 111 NSTI patients.

ExaminationResultsFrequency (%)Cumulative frequency (%)

Echocardiography testN63 (56.76)63 (56.76)
Y48 (43.24)111 (100.0)

Bi/tricuspid valve regurgitationY13 (27.08)13 (27.08)
N35 (72.92)48 (100.0)

Extremities CTA testN67 (72.04)67 (72.04)
Y26 (27.96)93 (100.0)

Extremities vascular ultrasoundN49 (52.69)49 (52.69)
Y44 (47.31)93 (100.0)

Extremities vascular stentY5 (5.38)5 (5.38)
N88 (94.62)93 (100.0)

Emergency CTY20 (18.02)20 (18.02)
N91 (81.98)111 (100.0)

Emergency MRIY8 (7.21)8 (7.21)
N103 (92.79)111 (100.0)

Extremities regular X-rayY16 (17.20)16 (17.20)
N77 (82.80)93 (100.0)

Chest CT or X-rayY75 (67.57)75 (67.57)
N36 (32.43)111 (100.0)

Extremities CT or enhanced CTY20 (21.51)20 (21.51)
N73 (78.49)93 (100.0)

Extremities MRI or enhanced MRIY20 (18.02)20 (18.02)
N91 (81.98)111 (100.0)

Y, yes; N, no; CTA, computed tomography angiography; CT, computed tomography; MRI, magnetic resonance imaging.