Table 3 Preoperative and postoperative semen analysis results

Semen volume, mL

   Preoperative

3.57 ± 1.39

3.22 ± 1.29

0.21^b

   3 months

3.58 ± 1.14

3.26 ± 0.99

0.15^b

   6 months

3.64 ± 1.17

3.30 ± 1.04

0.14^b

   12 months

3.53 ± 1.29

3.25 ± 1.28

0.30^b

   P Value

0.28^a

0.49^a

Sperm count, n× 10⁶/ejaculate

   Preoperative

35.50 (29.00 ~ 60.00)

31.00 (20.00 ~ 56.25)

0.33^c

   3 months

51.50 (45.00 ~ 65.00)

52.50 (40.00 ~ 68.75)

0.73^c

   6 months

57.50 (50.00 ~ 67.50)

55.00 (42.25 ~ 72.50)

0.59^c

   12 months

60.00 (50.00 ~ 74.25)

57.50 (51.25 ~ 73.75)

0.49^c

   P Value

<0.001^d

<0.001^d

Sperm motility, %

   Preoperative

46.50 (32.00 ~ 56.00)

44.00 (23.00 ~ 54.75)

0.60^c

   3 months

61.00 (45.75 ~ 72.00)

63.00 (44.25 ~ 72.75)

0.79^c

   6 months

66.50 (50.00 ~ 75.00)

69.00 (53.25 ~ 80.00)

0.30^c

   12 months

69.00 (54.50 ~ 79.00)

75.00 (51.25 ~ 80.00)

0.40^c

   P Value

<0.001^d

<0.001^d