The use of frozen embryos and frozen sperm have complementary IVF outcomes: a retrospective analysis in couples experiencing IVF/Donor and IVF/Husband

Table 1 The basic characteristics of the 860 couples in one IVF/H (or IVF/D) cycle

Baseline Parameters	Group IVF/H		*P value* (H/ET vs. H/FET)	Group IVF/D		*P value* (D/ET vs. D/FET)
	H/ET¹ subgroup	H/FET² subgroup		D/ET³ subgroup	D/FET⁴ subgroup
	Median [first quartile, third quartile]			Median [first quartile, third quartile]
Inclusion Samples (n)	133	440	/	49	238	/
Male Age (husband or donor) ^a	32 [29, 34]	32 [29, 34]	0.731	23 [22, 26]	23 [21, 27]	0.967
Semen Volume (Ml) ^a	3 [2, 3]	3 [3]	0.348	2 [2, 2]	2 [2, 2]	0.608
Semen Concentration (10^6/ML) ^a	56 [48, 64]	54 [48, 62]	0.734	46 [43, 53]	47 [43, 51]	0.974
Semen (PR + NP) (%)^a	56 [50, 60]	54 [50, 60]	0.931	46 [43, 54]	48 [43, 52]	0.574
Female Age ^a	33 [30, 35]	32 [30, 35]	0.644	30 [28, 35]	28 [26, 32]	0.002**
Female BMI (kg/m²) ^a	21 [24, 25]	21 [26, 27]	0.862	22 [20, 23]	21 [20, 24]	0.862
Endometrial Thickness (cm) ^a	10 [8, 12]	9 [7, 11]	0.015*	10 [8, 12]	10 [8, 12]	0.805
Oocytes Retrieved (n) ^a	8 [4, 11]	11[8, 16]	0.000***	11 [8, 15]	11 [8, 15]	0.590
MII Oocytes (n) ^a	6 [4, 10]	10 [6, 14]	0.000***	9 [7, 13]	9 [6, 12]	0.721
MII Oocytes (%)^a	93 [78, 100]	91 [82, 100]	0.660	81 [68, 96]	86 [73, 96]	0.503

ISSN: 1471-2393