Impacts of Outdoor Air Pollution on Human Semen Quality: A Meta-Analysis and Systematic Review

Table 3

CASA measures of the enrolled studies.

Study	VCL (μm/s)		VSL (μm/s)		LIN (%)
	High	Low	High	Low	High	Low
Selevan, 2000
De Rosa, 2003
Rubes, 2005
Zhou, 2014

LIN: linearity of sperm motion; VCL: sperm curvilinear velocity; VSL: sperm linear velocity.