Table 4 Comparisons of outcomes between GC and SU in men with normal and poor sperm parameters

 DGC

526

193

 SU

611

118

Recovery rate, %

− 0.043 (− 0.089–0.002)^a

0.025 (− 0.009–0.058)^a

PR after preparation, %

−0.005 (− 0.014–0.003)^a

1.858 (− 0.543–4.260)^a

Fertilization rate, %

0.003 (− 0.037–0.043)^a

0.074 (0.008–0.140)^a

Good-quality embryo rate, %

0.011 (−0.062–0.085)^a

0.028 (− 0.052–0.108)^a

Blastocyst formation rate, %

−0.013 (− 0.101–0.074)^a

0.010 (− 0.089–0.110)^a

cLBR, % (n/n)

0.953 (0.644–1.411)^b

1.539 (0.825–2.873)^b

LBR per transfer, % (n/n)

1.114 (0.904–1.373)^b

0.910 (0.575–1.442)^b