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. 2011 Mar 14;5:11–16. doi: 10.4137/CMRH.S6598

Table 3.

Comparison of number of mature follicles (> 18 mm) and endometrial thickness between Groups 1 and 2 on day of human chorionic gonadotropin administration.

Group 1 (n = 28)
Letrozole
Group 2 (n = 26)
Clomiphene citrate
P Sig.


Range Mean ± SD Range Mean ± SD
Number of follicles >18 (mm) 1–3 1.2 ± 0.9 2–7 2.9 ± 1.77 <0.05 S
Endometrial thickness (mm) 9–12 9.16 ± 1.36 4–7 4.46 ± 1.71 <0.05 S

Abbreviation: SD, standard deviation.