Association between follicle size, endometrial thickness, and types of ovarian stimulation (Clomiphene citrate and Letrozole) with biochemical pregnancy rate in women undergone intrauterine insemination

Table 2 Relationship between follicle size, endometrial thickness, and type of intervention to pregnancy rate outcome

Variable	Total (N = 122)	Outcome pregnancy rate		OR (CI = 95%)	P value
Variable	Total (N = 122)	Pregnant	Not pregnant	OR (CI = 95%)	P value
Follicle size (mm)
18–22 mm	74 (60.7)	43 (76.8)	31 (47)	Ref. 3.734 (1.701–8.199)	0.001*
≥ 22 mm	48 (39.3)	13 (23.2)	35 (53.0)
Endometrial thickness (mm)
< 8 mm	76 (62.3)	33 (58.90)	43 (65.2)	Ref.
8–10 mm	41 (33.6)	20 (35.7)	21 (31.8)	0.512 (0.081–3.240)	0.477
≥ 10 mm	5 (4,1)	3 (5,4)	2 (3,0)	0.635 (0.069–4.270)	0.638
Types of ovarian stimulation
CC	61	22 (36.1)	39 (63.9)	Ref.	0.030*
Letrozole	61	34 (55.7)	27 (44.3)	2.232 (1.079–4.618)

If normally distributed, the data were compared using independent T-test; otherwise, the Mann–Whitney test would be used. A P-value of < 0.05 was considered statistically significant (CI = 95%)
* P<0.05 was considered statistically significant

ISSN: 1756-0500