Microsurgical Varicocelectomy: Experience of Our Sub-Subinguinal Approach and Review of the Literature

Table 2

Semen indexes of left varicocele patients with low sperm quality.

	Age (mean ± SD)	Preoperation (mean ± SD)	6 months after surgery (mean ± SD)	12 months after surgery (mean ± SD)
Left varicocele patients
All operated patients (519)	27.4 ± 4.6
Sperm concentration × 10^6/ml		19.24 ± 3.69	27.42 ± 10.32^a	34.20 ± 16.29^b,c
Grade (a + b) %		13.78 ± 3.25	20.98 ± 8.21^a	27.59 ± 13.71^b,c
Patient with improved sperm quality (327/519)
Sperm concentration × 10^6/ml		19.23 ± 3.42	34.52 ± 5.13	45.75 ± 7.54
Grade (a + b) %		13.43 ± 3.64	26.23 ± 5.54	37.27 ± 6.59
Bilateral varicocele patients
All operated patients (58)	27.1 ± 4.8
Sperm concentration × 10^6/ml		19.21 ± 3.24	27.36 ± 10.26^a	33.87 ± 15.20^b,c
Grade (a + b) %		13.54 ± 2.75	20.75 ± 8.21^a	28.53 ± 14.83^b,c
Patient with improved sperm quality (38/58)
Sperm concentration × 10^6/ml		19.26 ± 3.12	33.76 ± 6.12	43.56 ± 8.55
Grade (a + b) %		13.24 ± 3.17	25.35 ± 6.14	38.23 ± 7.65

^a6 months after surgery vs. preoperation (). ^b12 months after surgery vs. preoperation (). ^c6 months after surgery vs. 6 months after surgery ().