Table 2.

Isolated microorganism and image features of 58 patients with mycotic aneurysm

Variables	Mycotic aneurysm without infective spondylitis, N = 52 (%)	Mycotic aneurysm with infective spondylitis, N = 6 (%)	P level
Isolated microorganism
Gram-negative bacteria
Salmonella sp.	18 (34.6)	4 (66.6)	0.19
Klebsiella pneumoniae	6 (11.6)	0	1
Escherichia coli	2 (3.8)	0	1
Enterobacter sp.	1 (1.9)	0	1
Burkholderia pseudomallei	1 (1.9)	0	1
Gram-positive bacteria
Staphylococcus aureus	6 (11.6)	1 (16.6)	0.56
Viridans Streptococcus	5 (9.6)	0	1
Staphylococcus saprophyticus	1 (1.9)	0	1
Streptococcus group A	1 (1.9)	1 (16.6)	1
Streptococcus group D	1 (1.9)	0	1
Propionibacterium sp.	1 (1.9)	0	1
Image features
End-plate destruction on radiography	0	3 (50)	<0.001
Vertebral body collapse on radiography	8 (15.4)	2 (33.3)	0.27
Psoas abscess on computed tomography	0	5 (83.3)	<0.001