Table 3 Testicular volumes of the unilateral undescended testis (UDT) and normally descended testis (NDT) before and after operation in different age groups.

From: Advantage of early orchiopexy for undescended testis: Analysis of testicular growth percentage ratio in patients with unilateral undescended testicle

Group

I

II

p

III

p

Age ≤1 year (reference)

1< age ≤2 years

Age > 2 years

Number of unilateral UDTs

45

58

 

31

 

PreOP UDT volume (ml)

0.174 ± 0.018

0.234 ± 0.02

0.078

0.561 ± 0.131

<0.001

PostOP UDT volume (ml)

0.296 ± 0.028

0.306 ± 0.027

0.728

1.253 ± 0.371

<0.001

Growth Percentage of UDT

242.5 ± 72.7%

163.8 ± 18.4%

0.161

257.2 ± 61.8%

0.930

PreOP NDT volume (ml)

0.435 ± 0.026

0.393 ± 0.023

0.899

1.158 ± 0.322

<0.001

PostOP NDT volume (ml)

0.512 ± 0.034

0.517 ± 0.031

0.138

2.364 ± 0.662

<0.001

Growth Percentage of NDT

132.3 ± 9.6%

148.2 ± 10.8%

0.275

240.1 ± 59.1%

0.001

Growth Percentage Ratio (UDT/NDT)

2.023 ± 0.404

1.249 ± 0.132

0.004

1.244 ± 0.113

0.008

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