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 4

Bacterial culture features of NSTI patients.

Bacteria culture	Results	Frequency (%)	Cumulative frequency (%)
Bacteria culture	N	1 (0.90)	1 (0.90)
	Y	110 (99.10)	111 (100.0)
Bacteria amount	0	33 (30.00)	33 (30.00)
	1	41 (37.27)	74 (67.27)
	2	22 (20.00)	96 (87.27)
	3	10 (9.09)	106 (96.36)
	4	4 (3.64)	110 (100.0)
Bacteria count	0	33 (31.13)	33 (31.13)
	1	41 (38.68)	74 (69.81)
	≥2	32 (30.19)	106 (100.0)
Baumannii	Positive	12 (10.91)	12 (10.91)
	Negative	98 (89.09)	110 (100.0)
Staphylococcus	Positive	18 (16.36)	18 (16.36)
	Negative	92 (83.64)	110 (100.0)
Klebsiella pneumonia	Positive	13 (11.82)	13 (11.82)
	Negative	97 (88.18)	110 (100.0)
Escherichia coli	Positive	9 (8.18)	9 (8.18)
	Negative	101 (91.82)	110 (100.0)