TABLE 3.

Bacterial aetiological agents of infected diabetic foot ulcers in tertiary healthcare facilities in Osun state, Nigeria, July 2016 to April 2017.

Organism categories	Organism name	n	%
Aerobic and facultative anaerobic Gram-positive cocci		59	27.1
	Staphylococcus aureus	34	15.6
	Enterococcus faecalis	10	4.6
	CoNS	4	1.8
	Enterococcus mundtii	2	0.9
	Enterococcus faecium	1	0.5
	Enterococcus avium	1	0.5
	Streptococcus bovis	1	0.5
	Aerococcus species	1	0.5
	Other CoPS¶¶	5	2.3
Aerobic and facultative anaerobic Gram-negative bacilli		129	59.2
	Escherichia coli	23	10.6
	Pseudomonas aeruginosa	20	9.2
	Klebsiella species†	19	8.7
	Citrobacter species‡	19	8.7
	Enterobacter species¶	11	5.0
	Proteus mirabilis	10	4.6
	Acinetobacter species§	9	4.1
	Morganella morganii	7	3.2
	Hafnia alvei	5	2.3
	Providencia species††	3	1.4
	Salmonella enterica subsp. Arizonae	2	0.9
	Stenotrophomonas maltophilia	1	0.5
Anaerobes		29	13.3
	Bacteroides species‡‡	7	3.2
	Peptostreptococcus anaerobius	6	2.8
	Staphylococcus saccharolyticus	4	1.8
	Micromonas micros	3	1.4
	Prevotella melaninogenicus	3	1.4
	Lactobacillus acidophilus§§	2	0.9
	Streptococcus intermedius§§	1	0.5
	Fusobacterium varium	1	0.5
	Anaerococcus hydrogenalis	1	0.5
	Porphyromonas asaccharolyticus	1	0.5
Yeast	Candida albicans	1	0.5

N = 218.

^†, Klebsiella spp. (K. pneumonae-12; K. oxytoca- 7).

^‡, Citrobacter species (C. freundii- 8; C. koserii- 8; C. sedlakii- 3).

^¶, Enterobacter species (E. aerogenes- 7; E. cloacae- 4).

^§, Acinetobacter species (A. baumannii- 6; A. johnsonnii- 3).

^††, Providencia spp. (P. alcalifaciens- 2; P. stuartii- 1).

^‡‡, Bacteroides spp. (B. fragilis – 6; B. vulgatus- 1), CoNS- coagulase-negative Staphylococcus spp.

^¶¶, Other CoPS- coagulase-positive Staphylococcus spp. other than S. aureus.

^§§, Some of the strains are not strict anaerobes.