Research Article

Clinical Characteristics and Spermatogenesis in Patients with Congenital Hypogonadotropic Hypogonadism Caused by FGFR1 Mutations

Table 4

Semen parameters after sperm-inducing treatment.

GroupsFGFR1 mutation (n = 14)Mutation-negative (n = 24)

Cumulative rate of sperm concentration >5 million1 years14.39%30.00%0.312
2 years61.04%61.11%0.489
Cumulative rate of sperm concentration >10 million1 years14.29%25.63%0.435
2 years38.64%57.58%0.243
Cumulative rate of sperm concentration >15 million1 years0.00%21.25%0.075
2 years34.38%48.32%0.252
Cumulative rate of sperm concentration >20 million1 years0.00%21.43%0.076
2 years25.93%35.18%0.455
Ejaculate volume (mL)2.20 (1.40–2.26) (n = 11)3.06 ± 1.42 (n = 19)0.175
Sperm concentration (million/mL)7.19 (1.00–9.91) (n = 11)18.80 (4.58–53.62) (n = 19)0.038
Fast progressive sperm (A) (%)18.00 ± 19.92 (n = 11)16.77 ± 13.00 (n = 19)0.839
Sperm progressive motility (A + B) (%)33.83 ± 26.31 (n = 11)34.88 ± 22.71 (n = 19)0.909
Sperm total mobility (A + B + C) (%)37.26 ± 29.21 (n = 11)40.38 ± 24.91 (n = 19)0.759

Sperm concentration, sperm volume, fast progressive sperm, sperm progressive motility, and sperm total mobility were obtained from the last visit.