Table 4.

Molecular diagnosis of semen microbial load in fertile and infertile groups.

Bacterium	Fertile (no. 268)		Infertile (no. 210)		p value
None	168 (63.4%)		114 (54.3%)		0.291
Enterococcus spp.	51	(19.4%)	42	(20.0%)	0.930
E. coli	23	(8.9%)	36	(17.1%)	0.119
Staphylococcus aureus	13	(4.9%)	6	(2.9%)	0.584
Klebsiella pneumonia	4	(1.5%)	6	(2.9%)	0.563
Citrobacterkoseri	2	(0.6%)	0	(0%)	0.642
Streptococcus spp.	3	(0.9%)	0	(0%)	0.568
Yeast	1	(0.3%)	0	(0%)	0.742
Diphtheroid	1	(0.3%)	0	(0%)	0.742
Klebsiellaoxytoca	1	(0.3%)	0	(0%)	0.742
Proteus mirabilis	0	(0%)	6	(2.9%)	0.002*
Candida spp.	1	(0.3%)	0	(0%)	0.742

^*p-value ≤ 0.05 was considered as significant between fertile and infertile groups.