The impact of body mass index on laboratory, clinical outcomes and treatment costs in assisted reproduction: a retrospective cohort study

Table 3 Ovarian response after stimulation between groups

Variables	G1	G2	G3	p
	n = 1332	n = 373	n = 130
OO	8 [8.4–9]	7 [7.5–8.7]	6 [6–8.7]*	0.014^a
MII	6 [6.4–7]	6 [5.6–6.6]	4 [4.6–6.7] *	0.011^a
MII rate (%)	80 [76–78.6]	80 [74.3–79.7]	77.7 [71.4–81]	0.877^a
	G1	G2 + G3
OO	9 [9.4–10.6]	8 [8.5–10.1]		0.006^a
MII	6 [6.9–7.8]	6 [6.3–7.5]		0.333^a
MII rate (%)	75 [73.8–77.3]	76.9 [72.1–77.7]		0.642^a

OO Total of retrieved oocytes, MII Mature retrieved oocytes
G1. Group 1 BMI ≤ 24.9 kg/m², G2. Group 2 BMI 25–29.9 kg/m², G3. Group 3 BMI ≥ 30 kg/m²
Values presented as median [interquartile range] or median n (%) [interquartile range]
Adjustment regarding infertility causes was made
^a Generalized Estimating Equations
* Statistical different group considering p < 0.05

ISSN: 1472-6874