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Table 2 The relationship between metal levels in blood and seminal plasma in three populations of men.a

From: Cadmium Concentrations in Blood and Seminal Plasma: Correlations with Sperm Number and Motility in Three Male Populations (Infertility Patients, Artificial Insemination Donors, and Unselected Volunteers)

Subjects Metal 1 Metal 2 n r P value
Group 1: infertility patients Seminal plasma cadmium Blood plasma cadmium 91 −0.092 0.386, NS
Group 2: AI donors Seminal plasma cadmium Blood plasma cadmium 14 −0.029 0.916, NS
Group 3: general population volunteers Seminal plasma cadmium Blood plasma cadmium 35 0.210 0.225,NS
  1. aSpearman correlations were performed using mean values for cadmium levels for each subject, r = Spearman correlation coefficient; NS, not significant.