Skip to main content

Table 1 Comparison of clinical parameters in patients stratified in two groups according to stimulation protocol (letrozole plus HMG or HMG-only)

From: Mild ovarian stimulation with letrozole plus fixed dose human menopausal gonadotropin prior to IVF/ICSI for infertile non-obese women with polycystic ovarian syndrome being pre-treated with metformin: a pilot study

  Group 1 (Let-HMG) Group 2 (HMG) p-value*
N 80 45 /
Age (years) 34.5 (31–37) [24–40] 34 (31.5–36.5) [27–40] 0.959
Male factor infertility (%) 53.7 55.5 0.84
Endometriosis (%) 5 4.4 0.88
Tubal factor (%) 6 4 0.63
BMI (kg/cm2) 21,9 (20–25) [16–31.5] 23 (20–24) [18–29] 0.736
Basal FSH (mIU/ml) 6.4 (5.3–7.4) [2–12] 6.4 (5.5–7.2) [4.5–9] 0.795
Basal LH (mIU/ml) 5.2 (4.15–6.7) [0.88–11] 4.7 (3.8–6.9) [2.55–11] 0.402
Basal E2 (pg/ml) 42.7 (30.2–59.9) [13–238] 43 (36–51) [13–91] 0.977
Antral follicle count (n) 12 (10–16) [7–27] 12 (10–14) [9–20] 0.316
AMH (ng/ml) 3.5 (2.4–4.9) [1.16–12.3] 4 (2.5–6.7) [1.2–10] 0.222
  1. Data are displayed as median with upper and lower range in round parentheses and ranges in squared parentheses
  2. *Two-tailed Mann-Whitney test