Urinary Calculi: A Microbiological and Biochemical Analysis at a Tertiary Care Hospital in Eastern Nepal

Table 1

Pattern of bacteria isolated from urine and stone matrices culture.

Bacteria	Urine	Whole stone	Nidus
	No. of patients (%)	No. of patients (%)	No. of patients (%)
Escherichia coli	20 (45.5)	14 (43.8)	14 (46.7)
Enterococcus faecalis	4 (9.1)	1 (3.1)	1 (3.3)
Klebsiella pneumoniae	7 (15.9)	5 (15.6)	5 (16.7)
Proteus mirabilis	4 (9.1)	4 (12.5)	4 (13.3)
Staphylococcus aureus	3 (6.8)	4 (12.5)	3 (10.0)
Citrobacter koseri	2 (4.5)	0	0
Pseudomonas aeruginosa	1 (2.3)	1 (3.1)	1 (3.3)
CONS	1 (2.3)	0	0
Klebsiella oxytoca	2 (4.5)	2 (6.3)	1 (3.3)
Enterobacter spp.	0	1 (3.1)	1 (3.3)
Total	44 (100)	32 (100)	30 (100)