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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