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Table 1 Evolution of semen parameters on the overall population

From: Subinguinal microsurgical varicocelectomy vs. percutaneous embolization in infertile men: Prospective comparison of reproductive and functional outcomes

Description Pre-opa 3 months 6 months 9 months 12 months Last examb
Abstinence delay(day)(n) (p, Wilcoxon) 3.8 ± 0.8 (75) 3.8 ± 1.0(68) 0.246 3.7 ± 0.9(48) 0.543 3.7 ± 0.7(27) 0.115 4.0 ± 2.4(29) 0.815 3.7 ± 1.7(73) 0.221
Semen volume (ml) (p, Wilcoxon) 4.3 ± 1.8 (75) 4.0 ± 1.7(68) 0.670 4.5 ± 2(48) 0.085 4.1 ± 2(27) 0.775 3.8 ± 1.9(29) 0.494 4.5 ± 2.0(73) 0.457
Sperm count x106/ml(n) (p, Wilcoxon) 7.1 ± 10(75) 12.3 ± 13.6(68) <0.001 10.2 ± 9.8(48) <0.001 12.6 ± 14(27) 0.003 11.2 ± 12.6(29) 0.018 12.4 ± 13.2(73) <0.001
Motility%(n) (p, t-test) 22.7 ± 11.2(70) 24.9 ± 13.6(67) 0.186 27.4 ± 13.5(48) 0.002 22.4 ± 12.5(27) 0.215 20.8 ± 13.2(28) 0.631 25.7 ± 14.8(72) 0.048
Vitality%(n) (p, Wilcoxon) 60.3 ± 14.7(70) 57.8 ± 17(65) 0.906 57.9 ± 17.7(48) 0.472 51.6 ± 17.4(27) 0.558 55.1 ± 20.3(28) 0.904 58 ± 18.9(71) 0.490
Normal formsc%(n) (p, Wilcoxon) 5.7 ± 9.4(39) 7.4 ± 7.6(35) 0.072 4.4 ± 4.1(30) 0.776 4.9 ± 5.3(15) 0.777 10.8 ± 8(12) 0.176 8.5 ± 12.2(40) 0.840
TMSCx106(n) (p, Wilcoxon) 6.7 ± 9.9(73) 14.3 ± 18.74(67) <0.001 13.8 ± 15.9(48) <0.001 12.3 ± 17.6(27) 0.004 10.1 ± 15.1(28) 0.248 10.2 ± 13.9(39) 0.100
  1. aPre operative values
  2. bRepresents the mean of the last semen analysis available for each patient
  3. cThe Classification of David was used to evaluate normal forms
  4. The mean of each value is reported +/- SD
  5. Reported data are rounded up