Relationship between Testicular Volume and Conventional or Nonconventional Sperm Parameters

Table 1

Conventional sperm parameters of men with normal (𝑛=40) or low (𝑛=38) testicular volume.

Parameter	Testicular volume
	Normal; (15–25 mL)	Low; (<12 mL)
Volume (mL)	3.0±0.5	2.3±0.4^∗
pH	7.6±1.2	7.7±1.3
Sperm concentration (million/mL)	42.3±6.7	28.7±4.7^∗
Progressive motility (%)	36.8±5.8	26.9±4.4^∗
Normal forms (%)	13.0±2.1	5.4±0.9^∗
Immature germ cells (%)	3.5±0.6	9.6±1.6^∗

^∗𝑃<0.05 (Student’s 𝑡-test).