Table 1.

Baseline characteristics of total stimulation cycles after matching.

	GROUP 1. r-hFSH + hMG	GROUP 2. r-hFSH + r-hLH	P-value
Stimulation cycle	n=311	n=192
Age (year)	36.05 ± 3.56	35.48 ± 3.90	0.099
BMI (kg/m2)	22.48 ± 3.51	22.30 ± 3.15	0.562
AMH (ng/mL)	3.53 ± 3.49	3.77 ± 3.51	0.448
Infertility history			0.801
Primary	186 (59.81%)	117 (60.94%)
Secondary	125 (40.19%)	75 (39.06%)
Causes of infertility			0.343
Uterine factor	89 (28.62%)	40 (20.83%)
Ovarian factor	81 (26.05%)	47 (24.48%)
Tubal factor	29 (9.32%)	24 (12.50%)
Male factor	26 (8.36%)	22 (11.46%)
Mix factor	23 (7.40%)	16 (8.33%)
Others	63 (20.26%)	43 (22.40%)
Basal FSH (mIU/mL)	7.13 ± 3.16	7.35 ± 3.67	0.485
Basal LH (mIU/mL)	3.88 ± 2.06	4.58 ± 4.19	0.034*
Total FSH dose (IU)	3362.45 ± 1072.79	2602.15 ± 930.26	<0.001*
Total LH dose (IU)	1152.01 ± 608.85	947.66 ± 510.60	<0.001*
FSH/LH dose ratio	4.12 ± 4.18	4.05 ± 3.85	0.843
Induce days	10.22 ± 1.83	9.80 ± 1.31	0.003*
Oral agents (used) @	5 (1.61%)	5 (2.60%)	0.437
Growth hormone (used)	13 (4.18%)	6 (3.13%)	0.547
Trigger type #			0.001*
Dual trigger a	272 (87.46%)	153 (79.69%)
GnRH-agonist b	17 (5.47%)	27 (14.06%)
r-hCG c	15 (4.82%)	12 (6.25%)
Others	7 (2.25%)	0 (0.00%)
Procedure $			0.411
IVF d	203 (65.27%)	117 (60.94%)
ICSI e	88 (28.30%)	56 (29.17%)
IVF+ICSI	14 (4.50%)	11 (5.73%)
TESE-ICSI f	6 (1.93%)	8 (4.17%)

*Statistical significance. Values are presented in mean ± standard deviation or number (percentage). ^@ Oral agents: Letrozole or Clomiphene ^# a) Dual trigger = Ovidrel 250 μg + Decapeptyl 0.2 mg; b) GnRH-agonist = Decapeptyl 0.2 mg; c) r-hCG = Ovidrel 500 μg ^$ d) IVF: in vitro fertilization; e) ICSI: Intracytoplasmic Sperm Injection; f) TESE: Testicular Sperm Extraction