Table 4.

Distribution of virulence factors in the Escherichia coli strains isolated from fertile and infertile women

Groups of women (No. of UPEC strains)		Distribution of virulence factors (%)
		set1	astA	sigA	sap	pic	sfa	afa	Cnf1	hlyA	iuc	fim	kspMT	omPT	usp	iss	Irp2	vat	cva	pap	papGI	papGII	papGIII	iha	Iron
Infertile women	History of UTIs (16)	10	9	8	6	11	16	15	14	16	13	16	5	4	14	5	4	4	2	16	15	14	13	9	13
	No history of UTIs (10)	7	8	5	3	8	5	4	6	4	6	3	5	5	3	2	1	3	1	5	4	4	4	3	5
	Total (26)	17 (65.38)	17 (65.38)	13 (50)	9 (34.61)	19 (73.07)	21 (80.76)	19 (73.07)	20 (76.92)	21 (80.76)	19 (73.07)	19 (73.07)	10 (38.46)	9 (34.61)	17 (65.38)	7 (26.92)	5 (19.23)	7 (26.92)	3 (11.53)	21 (80.76)	19 (73.07)	18 (69.23)	17 (65.38)	12 (46.15)	18 (69.23)
Fertile women	History of UTIs (13)	9	8	7	3	9	11	12	10	11	9	12	5	4	8	3	2	2	2	11	9	8	8	4	7
	No history of UTIs (5)	2	1	1	—	—	—	1	2	1	1	1	—	—	—	—	—	—	—	1	1	1	—	—	1
	Total (18)	11 (61.11)	9 (50)	8 (44.44)	3 (16.66)	9 (50)	11 (61.11)	13 (72.22)	12 (66.66)	12 (66.66)	10 (55.55)	13 (72.22)	5 (27.77)	4 (22.22	8 (44.44)	3 (16.66)	2 (11.11)	2 (11.11)	2 (11.11)	12 (66.66)	10 (55.55)	9 (50)	8 (44.44)	4 (22.22	8 (44.44)
Total (44)		28 (63.63)	26 (59.09)	21 (47.72)	12 (27.27)	28 (63.63)	32 (72.72)	32 (72.72)	32 (72.72)	33 (75)	29 (65.90)	32 (72.72)	15 (34.09)	13 (29.54)	25 (56.81)	10 (22.72)	7 (15.90)	9 (20.45)	5 (11.36)	33 (75)	29 (65.90)	27 (61.36)	25 (56.81)	16 (36.36)	26 (59.09)

Abbreviations: UPEC, uropathogenic Escherichia coli; UTI, urinary tract infection.