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Table 2 The relations between semen lead concentrations and semen volume, sperm count, sperm motility and sperm morphology assessed by simple linear regression (N=341)

From: Lead level in seminal plasma may affect semen quality for men without occupational exposure to lead

Variables R values P
Age (Y/O) −0.011 0.8443
Body mass index(kg/m2) 0.105 0.0529
Semen amount (ml) 0.037 0.4964
Sperm count (x106) 0.130 0.0165
Sperm motility (%) 0.004 0.9448
Sperm morphology (%) 0.002 0.9755