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Table 2 Sperm quality and function parameters, and IVF outcomes of the participants

From: Acrosome reaction and chromatin integrity as additional parameters of semen analysis to predict fertilization and blastocyst rates

Variable Mean ± SD Range
WHO parameters
 Volume (ml) 2.8 ± 1.2 1.2–6.6
 Concentration (× 106/ml) 77.8 ± 44. 2 16–230
 Total count (× 106) 231.8 ± 177.9 36–1016
 Progressive motility (%) 52.6 ± 16.3 6–78
 Normal morphology (%) 3.7 ± 1.5 1–7
 pH 8.4 ± 0.57 7–9
 Viability (%) 75.6 ± 10.7 53.8–93.4
 Leukocytes (× 106/ml) 0.5 ± 0.61 0–3.5
Sperm quality and function parameters (%)
 sAR 3.2 ± 1.8 0.4–9.02
 iAR 13.4 ± 4.2 4.7–26.9
 ARIC 10.3 ± 4.9 0.8–24
 DFI 21.8 ± 6.3 8–37
 HDS 7.1 ± 3.5 3–16
IVF cycle outcome
 Donated oocytes/participant 12.3 ± 4.8 2–24
 Fertilized oocytes (%)a 60.3 ± 20.2 18.7–100
 Optimal blastocysts (%)b 49.8 ± 31.3 0–100
  1. sAR = Spontaneous acrosome reaction, iAR = Induced acrosome reaction, ARIC = Acrosome response to an ionophore challenge. DFI DNA fragmentation index, HDS = High DNA stainability. aDefined as oocytes showing two pronuclei and two polar bodies. bCompared to fertilized oocytes. n = 69