Fig. 1
From: Effects of low lead exposure on sperm quality and sperm DNA methylation in adult men
Forest plot showing adjusted coefficient or odds ratio (OR) and 95% confidence interval (CI) for semen parameters in the low Pb exposure group. (RL: 2.5 µL/dL  ≥  Blood lead level  ≥  0 µg/dL; RL: 5 µL/dL  ≥  Blood lead level  >  2.5 µg/dL; RL: 10 µL/dL  ≥  Blood lead level  >  5 µg/dL)