From: Risk factors for urinary tract infection in patients with urolithiasis—primary report of a single center cohort
Bacterial species
Isolates count
%
Gram-negative bacteria
135
91.83
Escherichia coli
82
55.78
Klebsiella pneumoniae
17
11.56
Pseudomonas aeruginosa
16
10.88
Proteus mirabilis
7
4.76
Miscellaneous
13
8.84
Gram-positive bacteria
8
5.44
Fungus
4
2.72