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Table 2 Mean urine mercury measures for treatment group and positive amalgam group

From: Longitudinal analysis of the association between removal of dental amalgam, urine mercury and 14 self-reported health symptoms

Group   Treatment group Positive amalgam group
(N=250) (N=167)
   (M: 107, F: 143) (M: 100, F: 67)
Overall Baseline Mercury 1.61 (1.27) 1.67 (1.64)
  Second Mercury 0.73 (0.75) 0.92 (0.90)
Males Only Baseline Mercury 1.18 (0.97) 1.42 (1.72)
  Second Mercury 0.48 (0.48) 0.71 (0.66)
Females Only Baseline Mercury 1.92 (1.37) 1.85 (1.56)
  Second Mercury 0.92 (0.86) 1.06 (1.01)
  1. Mean urine mercury measures (μg/g-creatinine) for treatment group and positive amalgam group members with a second mercury measure at least six months later. Mean (standard deviation) [number of observations]. The baseline mercury measure is the first measure available for the individual (pre-removal in the treatment group). The second mercury measure is the last available mercury measure, post-removal in the treatment group.