Table 3. Isolated microorganisms from anal abscesses of chronic dialysis patients.

Microorganisms		n (%)
Gram-positive aerobic bacteria
	Streptococcus spp.	8 (27.6)
	Enterococcus spp.	6 (20.7)
	Staphylococcus aureus	4 (13.8)
	Coagulase-negative Staphylococci	2 (6.9)
	Stenotrophomonas maltophilia	1 (3.4)
Gram-negative aerobic bacteria
	Escherichia coli	10 (34.5)
	Klebsiella spp.	4 (13.8)
	Proteus spp.	2 (6.9)
	Citrobacter diversus	1 (3.4)
	Acinetobacter junii	1 (3.4)
Anaerobic bacteria
	Bacteroides spp.	14 (48.3)
	Prevotella spp.	4 (13.8)
	Peptostreptococcus spp.	3 (10.3)
	Fusobacterium spp.	3 (10.3)
	Clostridium spp.	1 (3.4)
	Veillonella spp.	1 (3.4)
Yeast		4 (13.8)